AP Psychology Exam Prep
Dr. Copeland is interested in studying how diet impacts the nervous system activity of professional dancers. She randomly assigns a group of professional ballet dancers to either a protein-rich diet or a carbohydrate-rich diet. After three weeks on each food plan, she measures the function of specific parts of the brain and nervous systems while they are dancing. Dr. Copeland found that ballet dancers on a carbohydrate-rich diet had greater activity levels in the somatic nervous system. Which is a prediction that can be made from these findings?
The nervous system activation for any other type of dancers on carbohydrate-rich diets would be similar
To study the self-fulfilling prophecy, a professor gave a group of students a survey at the beginning of a semester that asked them to predict how well they would do on the final exam. During the semester, the professor required that students keep track of the number of hours they spent studying for each weekly quiz. The professor then compared their predictions with their final exam scores. Which of the following best describes the operational definition of self-fulfilling prophecy in this study?
The number of hours student spend studying during the semester
A group of 10 graduate students conducted a study about the interpretation of ambiguous stimuli and diagnosis of disorders. Randomly selected and informed participants met with a licensed psychotherapist for a clinical evaluation. Participants were then shown an ambiguous image of a scene depicting either 2, 4, or 6 people and asked to explain what was going on in the picture. All sessions were videotaped and shown to each of the 10 members of the research team, who independently diagnosed the participants based on their interpretations of the image. Which of the following describes the operational definition of the independent variable?
The number of people in each picture
On a multiple intelligences test, the mean score for a class of 100 students is 80 and the standard deviation of the scores is 10. The professor who gave the test then realizes that she made a scoring error, which she corrects by adding 5 points to each student's score. The standard deviation of the students' new scores is
10
A player tracks the number of points he earns per game for five games wearing different colors of his team socks. After the data is gathered, he develops a superstition and always wears green socks. What is the mean number of points earned when wearing green socks?
13
2, 11, 2, 3, 3, 4, 2, 5 Researchers collected data from eight participants about the number of important dates they recalled after learning about US History. The data are presented in the number set. What is the mode of the number set above?
2
A school collected data on student absences during stressful final exam periods when their sympathetic nervous systems would be activated. They graphed the data at the end of the academic term. Based on the graph, what is the most likely standard deviation for the number of days students missed classes?
2.0
Researchers recruited student volunteers for a study about memory. Each student given a long story to read about someone experiencing a "health emergency" and then given a quiz on the details of the story a week later. In Group 1, the participants had to read the study each night for a week. In Group 2, the participants were told to read the story 5 times the night before the quiz. After the study was over, the student participants were told the real reason for the study before they left. The data collected are presented in the table. Which of the following is the mean for Group 2?
6
Shayna is chronically tired and decides to record how many hours of sleep she is getting. Her data for the last ten nights include the following estimated hours: 8, 8, 8, 4, 6, 3, 6, 10, 6, 5. What number represents the median value?
6
3 4 5 5 7 7 7 8 8 10 Ten participants in a treatment group were asked to rate their feelings of self worth on a scale of one to ten, with a value of ten indicating a very positive feeling of self-worth. The data for the participants are above. What is the mean for these data?
6.4
A study was conducted to determine the power of a new chemical to increase the quality of olfactory sensations in humans. Participants were asked to rate the quality of a chocolate bar, before and after inhaling the chemical on a scale of 1 to 10, with 1 meaning low quality and 10 meaning high quality. Analysis of the data showed that the difference in perceived quality of the chocolate bar before and after exposure to the chemical was statistically significant. If these data were plotted on a graph, what percent of the scores for the difference in perceived quality of the chocolate bar are within 2.29 and 3.71?
68
People who have sustained damage to the amygdala are most likely to demonstrate
A diminished capacity for fear
Damage to the cerebellum would most likely result in which of the following problems?
A loss of motor coordination
Which study is a researcher who wants to draw correct cause-and-effect conclusions about the sense of smell likely to conduct?
A study in which the researcher randomly assigns 50 people to a group that is exposed to a strong smell of roses and 50 people to a group that experiences an odor-free environment to see whether the group exposed to the strong smell of roses reports experiencing more memories
Which of the following studies is from an evolutionary perspective?
A study to see if women were more attracted to men who liked children than men who did not like children
Which of the following is a response acquired through classical conditioning?
A woman's stomach growls when she looks at the clock and sees it is almost lunchtime
Researchers presented a picture of four stimuli to a group of college students and measured their heart rate by counting how many beats occurred in one minute. Which of the following brain structures would be most responsible for the emotional reaction as measured by heart rate after seeing the spider and the snake?
Amygdala
Researchers want to study the effects of teratogens. They should conduct
An experiment using pregnant rats
Professor Belvedere wants to help her anatomy students memorize the names of different parts of the body. Which of the following techniques will best help her students?
Asking them questions about the meaning of each word
Which of the following is an example of a stage of language development that occurs before a child can speak words?
Babbling
Dimitri and Dominic are identical twins who were separated at birth and raised by different families. When they found each other through DNA tracking, they were surprised to see how different they were. Which research method would a psychologist most likely use to document their behavioral differences?
Correlational
Dr. Cabello is studying how much pressure people need to perform at their best. She created a survey that asks volunteer participants from the college where she works how stressful they find different kinds of stimuli. The survey uses a scale starting at 1 which means they find the stimulus not stressful at all and ends at 5 which means they find the stimulus extremely stressful. She then collects their overall grade point average data and compares their survey ratings to their grade point averages. Which of the following is the research method used in this study?
Correlational
Dr. Miller believes cell phone usage affects short-term memory ability. He randomly selected 20 male students from his university to participate and gave them a survey. Participants were asked a series of questions about how often they use their cell phone and whether they recalled information about world events. The data from the survey is presented in the graph below. Which of the following accurately identifies the research method used?
Correlational
Dr. Jones is conducting research to determine if IQ changes with age. The research design includes three groups of participants. Group 1 consists of 10 year olds, group 2 of 15 year olds, and group 3 of 25 year olds. Dr. Jones gives an IQ test to all three groups to determine the average IQ of each group. The design of the research is
Cross-sectional
A researcher studied 30 people ages twenty to forty, 30 people ages forty-one to sixty, and 30 people ages sixty-one to eighty. The researcher set up two rooms—one with a faint rose smell, and one with a faint lemon smell. Each participant was asked to enter each room and identify the smell in the room. What research method did the researcher use, and what outcome would be found?
Cross-sectional. As people age, their sense of smell diminishes, especially in older age
Which of the following types of intelligence would be most important in answering trivia questions?
Crystallized
Using the diagram, during which of the following do individuals typically dream?
D
Researchers used a visual cliff with a glass-covered drop-off to examine behavior in crawling infants. Even when coaxed by their mothers to crawl out onto the glass covering, most infants refused to do so, indicating that they had developed which of the following?
Depth perception
Researchers studying conformity conduct an experiment where they compare how two different groups respond to a task, and they determine that the difference between the groups is significant. In experimental psychology, a significant difference refers to a
Difference not likely due to chance
Dr. Copeland is interested in studying how diet impacts the nervous system activity of professional dancers. She randomly assigns a group of professional ballet dancers to either a protein-rich diet or a carbohydrate-rich diet. After three weeks on each food plan, she measures the function of specific parts of the brain and nervous systems while they are dancing. Which of the following is true about Dr. Copeland's study?
Dr. Copeland is conducting an experiment
Dr. Jones conducted a study in which he surveyed participants and compared their reported levels of physical activity to their measures of brain plasticity. Dr. Jones concludes that higher levels of physical activity cause a greater degree of neuroplastic changes in the brain. He plans to publish his findings. What mistake is Dr. Jones making in his research conclusion?
Dr. Jones's study was correlational, so it cannot generate a causal conclusion
Dr. Neal is conducting research on the impact of genetics on anxiety disorders. Which of the following reflects appropriate attention to ethical procedures?
Dr. Neal meets with each of the subjects individually after the conclusion of the study to share and explain the results, answer questions, and make certain the subjects feel positive about participation in the study
Dr. Popoca studied the characteristics of individuals experiencing red-green and yellow-blue color vision deficiency. They recruited one individual with each type of color vision deficiency and assessed each person three times per week for a period of three months. They found that all of the participants in their study were left-handed. Following their research, Dr. Popoca concludes that all individuals who experience dichromatism are left-handed. Why is their conclusion inappropriate based on their research strategy?
Dr. Popoca has conducted a case study, which cannot be generalized to the population
The limbic system is most closely associated with
Emotions
Neurotransmitters that function like the drug morphine and are involved in pain modulation include which of the following?
Endorphins
A psychologist designed a study to test the effects of cell phone use on driving safety. Participants were randomly assigned either to drive an automobile simulator while talking to a friend on a cell phone or to drive a simulator without talking on a phone. Which type of research does the scenario describe?
Experiment
A research study seeks to examine the influence of REM sleep disruption on memory and attention. To investigate this, researchers gather a representative sample of healthy participants ages 18 to 40 years old with no prior history of sleep disorders or psychiatric conditions. They give each participant a baseline cognitive functioning test. The participants are housed in a sleep research lab for the duration of the study where they have their REM sleep disrupted multiple times each night. Following a three-week period of REM sleep disruption, participants will repeat the initial cognitive assessments to evaluate changes in performance. Which of the following research methods is being used in this study?
Experiment
Researchers tested infants whose first language was either English or Hindi. The researchers assessed the ability of these infants to distinguish between the /ta/ versus /Ta/ sounds in Hindi at various ages. The difference in these sounds is indistinguishable to adults who speak English only. The results of this study suggest that the ability to distinguish sounds in a language other than a person's first language decreases with age. Which of the following outcomes is possible because researchers utilized the random selection process?
Generalization
Tina's mother often entertains Tina by bouncing a bunny puppet back and forth along the side of Tina's crib. Initially, Tina pays close attention to the puppet but after a while, she begins to ignore it and continues doing what she was doing before the puppet appeared. Which of the following psychological concepts best explains Tina's change in behavior?
Habituation
To explore the concept of the "imaginary audience," a researcher gave the Imaginary Audience Scale to 6th, 8th, and 10th graders who visited a local shopping mall during one weekend in June. The results indicated that students in 10th grade had the lowest ratings on the scale and concluded that the "imaginary audience" does not apply to students beyond the 8th grade. For the researcher to generalize this research, what would he need to do differently?
He would need to obtain a random sample of participants from each of the three grade levels
Dr. Miller believes cell phone usage affects short-term memory ability. He randomly selected 20 male students from his university to participate and gave them a survey. Participants were asked a series of questions about how often they use their cell phone and whether they recalled information about world events. The data from the survey is presented in the graph below. When Dr. Miller sees that the results yield a strong negative correlation coefficient, she tells a colleague that she knew that would be the result all along. Which of the following cognitive biases is Dr. Miller using when she speaks to her colleague?
Hindsight bias
Which area of the brain is not well developed until after three years of age, offering a possible explanation for infantile amnesia?
Hippocampus
Elena wanted to see if taller students were more likely do better on achievement tests. Elana recorded the height of all of her classmates and calculated the standard deviation. If everything else stayed the same, what change to the data would make the standard deviation increase?
If the tallest person were taller
Although his parents repeatedly warn him about the dangers of texting while driving, seventeen-year-old Marco continues to do so. Which of the following most likely explains Marco's persistence?
Incomplete frontal lobe development
Which of the following statements is true of behaviorism?
It holds that development is largely a product of learning
Which of the following describes one of the functions of the temporal lobe of the brain?
It is where declarative memories are stored
A researcher is interested in studying how likely people are to break laws when they are in large crowds. They believe using a naturalistic observation would be the best approach to studying this behavior. Which of the following is a strength of naturalistic observation?
It minimizes artificiality, which can be a problem in laboratory studies
In a classic study, a group of rats learned to run through a maze to obtain food, and another group of rats explored the maze without receiving food. Some time later, the researcher compared the two groups of rats to determine if both groups would find the food at the end of the maze. According to the researcher, the untrained rats found the food at the end of the maze as quickly as the trained rats as a result of
Latent learning
In which of the following types of research are the same children tested periodically at different points in their development?
Longitudinal
A study was conducted to determine the power of a new chemical to increase the quality of olfactory sensations in humans. Participants were asked to rate the quality of a chocolate bar, before and after inhaling the chemical on a scale of 1 to 10, with 1 meaning low quality and 10 meaning high quality. Analysis of the data showed that the difference in perceived quality of the chocolate bar before and after exposure to the chemical was statistically significant. Which of the following should the researchers in this study do out of a concern for ethical data collection?
Make sure the chemical does not affect the participants' olfactory systems long-term
Xi Bai was injured in a car accident and sustained damage to the cerebellum. Which of the following would Xi Bai anticipate to be disrupted by this injury?
Motor learning
Dr. Belzer documented the behaviors of parents with their children at a local restaurant. She looked for specific examples of permissive, authoritarian, and authoritative parenting styles. Which of the following best describes the method of research used by Dr. Belzer?
Naturalistic Observation
A researcher interested in cooperative play in young children unobtrusively places several video cameras at a public playground and counts how many children engage in cooperative play behaviors. Which type of research method is the researcher using?
Naturalistic observation
To stop his uncle's constant requests, Jimmy takes out the garbage. This makes him more likely to take out the garbage in the future. Jimmy's behavior is being controlled by which of the following types of reinforcement?
Negative
In a distribution of a class's scores on a test about gender identity, a large number of students received high scores while fewer students received low scores. The distribution of the test scores is best described as being which of the following?
Negatively skewed
Dr. Miller believes cell phone usage affects short-term memory ability. He randomly selected 20 male students from his university to participate and gave them a survey. Participants were asked a series of questions about how often they use their cell phone and whether they recalled information about world events. The data from the survey is presented in the graph below. Which of the following is an operational definition for short-term memory used in this study?
Number of correct details remembered about world events
Dr. Fell has been studying dopamine release in the brain during thrill-seeking behaviors, such as skydiving. Dr. Fell has found that, as the number of skydiving experiences increases, the amount of dopamine released in the brain decreases. What is the operational definition of thrill-seeking behaviors that Dr. Fell is using?
Number of skydiving experiences
Suzie screamed at her little brother, and her mother yelled, "We do not yell in this house!" Suzie continues to yell at her brother despite her mother reprimanding her. Suzie's behavior is best explained by
Observational learning
Dr. Copeland is interested in studying how diet impacts the nervous system activity of professional dancers. She randomly assigns a group of professional ballet dancers to either a protein-rich diet or a carbohydrate-rich diet. After three weeks on each food plan, she measures the function of specific parts of the brain and nervous systems while they are dancing. Which of the following is most relevant to digesting carbohydrate-rich meals and resting after dance practice?
Parasympathetic nervous system
Dr. Arthur conducted a correlational study to determine the relationship between parental approval and preference for gender-congruent toys. She interviewed 40 sets of parents about the types of toys their child plays with and the parents' preferences for these toys. Later, she interviewed each of the 92 children over the age of four about which toys they preferred. Dr. Arthur determined that there was a predicable relationship between the toys the children preferred and the toys the parents preferred. Which of the following is a variable of interest in this study?
Parental approval
By age six months, infants from different countries in the world will distinguish hearing a change in small units of sound. For example, in one study, when six-month old babies hear the RRR sound change to an LLL sound, they sucked faster on a special pacifier that measured their rate of sucking. By twelve months, however, Japanese children no longer distinguish these sounds since culturally, they are not exposed to them. Which of the following terms were researchers studying on a cross-cultural level?
Phoneme
Jane is a five-year-old child who believes that her doll will be cold if not covered with a blanket at night and cannot understand why her older brother gets angry when she blocks his view of the television. According to Jean Piaget's theory of cognitive development, Jane is in which of the following developmental stages?
Preoperational
A manager of a company that makes self-driving cars is interested in showing that self-driving cars cause fewer accidents than traditional cars. She recruited 30 people for her study. After keeping her participants awake for 24 hours straight, she randomly assigned them to either drive a traditional car or a self-driving car. Which of the following is the most significant ethical factor that might influence the approval of this study?
Protection from harm
Dr. Nance studies the effects of psychoactive drugs on memory and decision-making. When conducting research in this area, Dr. Nance must be sure that people's previous experiences with psychoactive drugs are taken into account. Which of the following procedures is intended to control for preexisting differences between the groups of participants in an experiment?
Random assignment
Dr. Naum is studying the function of the temporal lobe of the brain by examining the case study of J.S., an individual who incurred damage in this area during a motor vehicle accident. Dr. Naum administers a battery of tasks multiple times over the course of several weeks to assess J.S.'s cognitive abilities. The graph below shows J.S.'s performance on three different tasks. The bar on the left shows his accuracy forming new memories in a lab context, the middle bar shows his accuracy on a driving course, and the bar on the right shows his accuracy on a third task. Based on the scores on the three tasks, Task 3 most likely involves.
Remembering events that occurred shortly before his accident
Two researchers are interested in the social skills by people with synesthesia to perceive color. Researcher A interviews people with this disorder, and Researcher B creates a survey with a dozen questions that the participants answer using a numeric scale. Which of the following is true about this research scenario?
Researcher B is using a quantitative measure
Students who have faced many obstacles in educational settings were asked to participate in a study that required that they take a test. Many of the students scored poorly on the test. Which of the following ethical issues arises because the students feel that their low test scores are reflective of their abilities, rather than their circumstances?
Risk to participants
Zeke is attempting to learn more about his world. When he encounters a new object, he picks it up and puts it in his mouth. Zeke is most likely in which of Jean Piaget's stages of cognitive development?
Sensorimotor
Information is relayed to the spinal cord or the brain by which of the following?
Sensory neurons
Laura is in transition from the psychosocial development stage of industry versus inferiority stage into the identity versus role confusion stage. Which of the following is most likely what Laura is experiencing?
She is less interested in accomplishing things and more interested in defining herself
The thalamus processes information for all of the following senses EXCEPT
Smell
Tyler ate a cheeseburger from a fast food restaurant for dinner, and he was awake all night feeling sick. Now, just thinking about eating any fast food makes him feel nauseous, and he is certain that he will never want to eat it again. Tyler's aversion to fast food can best be explained by
Stimulus generalization
Dr. Wilson, who teaches engineering classes, is interested in learning about how lack of sleep affects performance. What would be the best way to ensure that her findings are generalizable to all the students at her university?
Surveying every tenth student listed in the university directory about their sleep habits
A group of researchers collected the data displayed in the graph. Which of the following psychological concepts is most likely the focus of the research?
The interaction of "nature" and "nurture"
The figure represents which model of memory?
The multi-store model of memory
A study was conducted to determine the power of a new chemical to increase the quality of olfactory sensations in humans. Participants were asked to rate the quality of a chocolate bar, before and after inhaling the chemical on a scale of 1 to 10, with 1 meaning low quality and 10 meaning high quality. Analysis of the data showed that the difference in perceived quality of the chocolate bar before and after exposure to the chemical was statistically significant. In this scenario, which of the following best describes the finding that the results were statistically significant?
The perceived quality of the chocolate bar went up after being exposed to the chemical, and this was not due to chance
The occipital lobes contain
The primary visual cortex
Researchers proposed a study on language acquisition to see if exposing 10-month-old babies to phonemes outside of their primary language had an impact on the child's fluency in their primary language. One hundred babies are randomly assigned to one of two conditions. In one condition babies would only be exposed to phonemes of their primary language for one hour per day over the course of six months. The other group would be exposed to phonemes from several different languages for one hour per day over the course of six months. The researchers hoped to explore whether exposure to phonemes from several different languages helped or impeded language development. Which of the following concerns would an IRB likely have about this study?
The procedure could potentially cause harm to the babies by interfering with their language development
A neuron receives an excitatory neurotransmitter and fires an action potential. Which of the following is the correct term for the time shortly after a neuron fires and before it fires again?
The refractory period
At the start of a new semester, a researcher randomly assigns the students in their Social Psychology class to receive a syllabus that either (1) includes positive comments from students who took the class the previous semester, or (2) does not include any comments from students who took the class the previous semester. They look to see how this difference affected scores on the end-of-semester student evaluations of the class among current students, with 1 meaning "unfavorable evaluation" to 5 meaning "favorable evaluation." The results appear in the graph. Which of the following explains why this research study is an experiment?
The researcher manipulated the independent variable
Researchers at a large university conducted a study of over 15,000 randomly selected participants that measured whether taking a multivitamin helps people over age 65 avoid dementia. Which of the following best describes why this study is likely highly generalizable?
The sample is representative of the population
Dr. Robles conducted a study to investigate the influence of emotion on problem-solving ability. She randomly assigned 100 participants to two groups of 50. One group was shown a series of 15 highly emotional video clips and then categorized a list of 60 words using 10 different concepts. The other group categorized the list of words using the 10 concepts without watching any video clips. Dr. Robles calculated each participant's score based on categorizing words under the correct concepts. The more words participants categorized correctly, the higher their score. What is the operational definition of the dependent variable in this study?
The score given for accurately categorizing words under the concepts
Neurologists trying to find a treatment for Alzheimer's disease selected 100 individuals with moderate to severe symptoms of Alzheimer's disease. Fifty participants were randomly placed into either an experimental condition that received a new medication that acted as an agonist for acetylcholine or the control condition which continued to receive same care as before. The study lasted for ten weeks at which time members of both groups took a cognitive assessment to determine their level of functioning. Which of the following best explains the operational definition of the dependent variable in this study?
The score on the cognitive assessment
An industrial-organizational psychologist surveyed employees at a tire factory to gain an understanding of employee satisfaction. The factory manager is interested in differences between employees with less than 10 years' experience and those with less than 10 years to go before retirement. The survey asked participants to rate their work environment using a scale from 1(poor work environment) to 10 (excellent work environment). Which of the following best describes how the I/O psychologist might interpret the difference in the standard deviations between the two groups?
The scores of the less experienced group varied more widely from each other than the more experienced group
Which of the following biological systems is most likely responsible for an increase in heart rate while experiencing anxiety?
The sympathetic nervous system
A high school instructor wanted to see if implementing encoding strategies would help students master concepts in AP Psychology. They conduct a double-blind study in which students are randomly assigned to either the encoding strategy group or the group that continued to study as they had before. The data for each group is presented in the table. Which of the following best represents the results of this investigation?
The variation of scores for the encoding strategies group was smaller
A sample of pregnant women is given a high dose of caffeine daily to determine if their babies are born with an addiction to caffeine. Which of the following is an ethical issue in this study?
There is possible long-term harm to the babies
A researcher is interested in measuring adrenaline levels in male subjects and then comparing those levels to each participant's corresponding level of aggression. The researcher takes blood samples from each male participant to identify their adrenaline levels, and then gives each participant a survey that measures aggression. The results of the study indicate that higher levels of adrenaline were associated with higher rates of aggression. Which of the following best describes why the researcher cannot report a causal relationship in this study?
There was no manipulation of an independent variable
Some studies conducted in the mid-20th century in social psychology on obedience and social roles have been criticized for not treating participants well. Which of the following best describes the response of members of the American Psychological Association to these types of ethical issues in research?
They have developed codes of ethics for research with both human participants and animal subjects
Researchers wanted to see if people who were arguing would get along if they were in a dangerous situation together. Randomly selected participants were asked to complete a "demographic survey." Each participant was seated in a room with another person, a research confederate, who was also filling out the survey. The confederate engaged in conversation with the participant, and during the course of the conversation, was instructed to disagree with the participant. After the disagreement went on for a few minutes, researchers pumped smoke into the room through the air vents and timed how long it took before participants stopped arguing and tried to leave. Which ethical consideration should the researchers follow at the conclusion of the study?
They should debrief the participants
Researchers conducted a study to investigate whether problem-solving abilities declined as subjects got older. They gave a large random sample of 20-year-old subjects a test with various problem-solving tasks. For the next 40 years, the researchers followed up every five years with the subjects and had them complete additional tests to gauge their problem-solving abilities. Which of the following is the most accurate statement regarding this research?
This study will provide correlational results
After sustaining a traumatic injury, Russ is having difficulty comprehending the meaning of words. Which of the following parts of his brain has most likely been damaged?
Wernicke's area
Dr. Gomez conducts research looking at similarities in identical twins. In one study, she is interested in looking at athletic ability. What do the results in the graph indicate?
When one twin demonstrates high athletic ability, so does the other twin
Researchers were interested in seeing how quickly toddlers learned how to play with a new toy while interacting with one of their caregivers. They documented the number of interactions between toddlers and caregivers as they learned to play with the new toy. The researchers noted that caregivers from different cultures varied in the number of verbal statements spoken to the children to explain how to play with the toy. Which of the following concepts best describes the topic of the research study?
Zone of proximal development
Researchers at a local veteran's hospital wanted to explore the impact of traumatic brain injuries on veteran's ability to sleep. Which of the following would the researchers use if they wanted to see the brain activity in a particular area of the brain as the veteran's were sleeping?
fMRI
Mark and Matt are twins. A psychologist studies Mark and Matt from birth until their 25th birthday. The psychologist gathers data about their likes and dislikes, extracurricular activities, school success, and doctor visits. The psychologist is interested in the interaction of nature and nurture on their development. Which of the following research methods is the psychologist using to study Mark and Matt?
Case study
Samantha experienced a traumatic brain injury and afterward began to exhibit bizarre symptoms that no one had ever documented before. The best research method to study Samantha would be
Case study
Seven-year-old Raj never wants to clean his room, but his parents know how much he loves watching television. They tell him if he cleans his room, he'll get to watch his favorite television shows. According to operant conditioning theory, Raj is most likely to
Clean his room
How would a clinical psychology researcher know whether person-centered therapy is effective in treating anxiety?
Clients randomly assigned to be spoken to with unconditional positive regard have lower cortisol levels than those in a control group
