Psychology Learnsmart 1, 2, 3, 5

Biological rhythms are controlled by biological clocks, which include: A) 28-day cycles B) 12-hour cycles C) annual cycles D) sleep cycles E) 24-hour cycles

A) 28-day cycles C) annual cycles E) 24-hour cycles

The brain imaging technique that allows researchers to interpret brain activity as a function of behavior is called: A) TMS B) a CAT scan C) an fMRI D) a PET scan

A) TMS

The ___ states that once the threshold had been crossed, the action potential either fires or it does not. There is no half measure. A) all-or-nothing principle B) threshold principle

A) all-or-nothing principle

While sitting in class, you start to daydream about your plans for the weekend. When the teacher calls on you, your awareness of the class shifts and you notice everyone staring at you. Your daydreaming illustrates a(n): A) altered state of consciousness B) stream of consciousness C) subconscious awareness D) arousal state

A) altered state of consciousness

Descriptive research serves the purpose of observing and recording ____ that can be used as data. A) behavior B) information C) data

A) behavior

Daily circadian rhythms involve which of the following: A) blood pressure B) hypnagogic reverie C) the sleep/wake cycle D) body temperature E) blood sugar levels F) unconscious thought G) controlled processes

A) blood pressure C) the sleep/wake cycle D) body temperature E) blood sugar levels

Select all of the following that are structures of the midbrain: A) brain stem B) medulla C) reticular formation D) cerebellum

A) brain stem C) reticular formation

Every neuron has: A) cell body B) myelin sheath C) axon D) dendrites

A) cell body C) axon D) dendrites

The term ____ in correlational research does not imply causation. A) correlation B) quantitative C) qualitative

A) correlation

Descriptive statistics are used to ____; while inferential statistics are used to _____. A) describe and summarize data; draw conclusions about data B) draw conclusions about data; describe and summarize data C) describe behavior in a real-world setting; test the expectations of participants in a control group

A) describe and summarize data; draw conclusions about data

Which of the following are steps in the scientific method: A) drawing conclusions B) observing some phenomenon C) formulating hypothesis and predictions D) thinking critically E) preparing meta-analyses

A) drawing conclusions B) observing some phenomenon C) formulating hypothesis and predictions

Critical thinking is the practice of evaluating: A) evident B) feelings C) opinions D) oneself

A) evident

What is a psychological perspective that uses concepts such as adaptation, reproduction, and natural selection as the basis for explaining specific human behaviors? A) evolutionary approach B) neuroscience approach C) Behavioral approach D) sociocultural approach

A) evolutionary approach

Which of the following represent variables that can be directly measured by correlational research: A) exam scores B) happiness and wisdom C) biological sex D) ethnic background

A) exam scores C) biological sex D) ethnic background

Disagreements over theories and findings in psychology have ____ the field of psychology: A) helped advance B) compromised C) significantly weakened D) slowed down the progress of

A) helped advance

What is incubation: A) incubation refers to the process of solving a problem after taking a break from conscious thought about that problem B) incubation refers to the unconscious mental energy used to stay emotionally aroused C) incubation refers to a metacognitive skill used to do better on exams D) incubation is a process that prevents thoughts from entering the subconscious mind

A) incubation refers to the process of solving a problem after taking a break from conscious thought about a problem

Which statements are true regarding popular media reports of psychological research: A) media often only present sensationalistic and dramatic research findings B) media always accurately and full informs the public of the research findings C) media personnel are always trained in interpreting psychological research

A) media often present sensationalistic and dramatic research findings

Which of the following structures are located in the hindbrain? A) medulla B) pons C) cerebellum D) amygdala

A) medulla B) pons C) cerebellum

The temporal lobes are primarily involved in: A) memory B) attention C) hearing D) personality E) language processing

A) memory C) hearing E) language processing

The reticular formation and brain stem are part of the ____ region of the brain: A) midbrain B) limbic C) hindbrain D) forebrain

A) midbrain

___ is an evolutionary process that favors organisms' traits or characteristics, which are best adapted to reproduce and survive. A) natural selection B) artificial selection C) behaviorism D) structuralism

A) natural selection

A University of Michigan research study found that the more a person uses Facebook, the worse they feel. They study found that Facebook use led to declines in happiness and overall life satisfaction. Researchers tested the variable of happiness and satisfaction on 82 college students. Should you stop using Facebook? A) no - this is only one study, I doubt all people feel worse the more they use Facebook B) yes - the research was conducted by a University and it is published C) no - the study was only conducted on 82 college students. that is a pretty small sample D) yes - I finally understand why I feel worse after checking Facebook

A) no - this is the only one study, I doubt all people feel worse the more they use Facebook C) no - the study was only conducted on 82 college students. that is a pretty small sample

Which of the following responses can chronic stress cause? A) persistent autonomic nervous system arousal B) the release of serotonin C) high levels of testosterone in the brain D) the release of cortisol

A) persistent autonomic nervous system arousal C) high levels of testosterone in the brain D) the release of cortisol

Meditation can include: A) practicing yoga B) taking a walk in the country side C) drug use to reach a meditative state D) various medical therapies

A) practicing yoga B) taking a walk in the country side D) various medical therapies

The goals of the science of psychology are: A) predicting behavior B) judging behavior C) explaining behavior D) describing behavior

A) predicting behavior C) explaining behavior D) describing behavior

Now that the researchers have gathered data what to they do next: A) researchers would analyze the findings to see if the results tell us about the theory used to guide their study B) researchers would interview candidates to see if they want to participate in their study C) researchers would observe something and make some predictions about why it might happen D) researchers would analyze their data to see if supports their hypothesis

A) researchers would analyze the findings to see if the results tell us about the theory used to guide their study D) researchers would analyze their data to see if it supports their hypothesis

Why are ethical guidelines used by researchers? A) so that the research does not physically harm the participants B) so that the research does not cause the participant emotional distress C) so that the research is successful in deceiving its participants D) so that the research proposal is accepted by the review board

A) so that the research does not physically harm the participants B) so that the research does not cause the participant emotional distress D) so that the research proposal is accepted by the review board

Psychologists conduct naturalistic observations at: A) sporting events B) shopping malls C) work settings D) laboratories E) child-care centers

A) sporting events B) shopping malls C) work settings E) child-care centers

What are some causes of insomnia: A) stress at work B) relationship problems C) an excess of melatonin D) night terrors

A) stress at work B) relationship problems

A ___ presents a standard set of questions, or items, to obtain people's self-reported attitudes or beliefs about a particular topic: A) survey B) interview C) correlational coefficient D) case sudy

A) survey

The four lobes of the brain are: A) temporal B) occipital C) neocortex D) cortex E) parietal F) frontal

A) temporal B) occipital E) parietal F) frontal

Which of the following statements regarding an action potential are true: A) the movement of sodium and potassium causes the electrical charge B) during an action potential the electrical charge briefly reverses C) is is a brief wave of positive charge that sweeps down the axon D) it is a brief wave of negative charge that sweeps down the axon

A) the movement of sodium and potassium causes the electrical charge B) during an action potential the electrical charge briefly reverses C) is is a brief wave of positive charge that sweeps down the axon

Narcolepsy is: A) the overpowering urge to sleep B) the inability to sleep C) a frightening dream that awakens a dreamer from REM sleep D) a sleep disorder in which individuals stop breathing

A) the overpowering urge to sleep

A study presented at the American Society of Reproductive Medicine in Boston and published in the journal Fertility and Sterility, suggests that processed meat intake is linked to poorer semen quality. What elements and this story support the possibility that this research is credible: A) the research suggests that there is a link between food intake and sperm count B) the research was published by a credible journal C) the research was presented to a credible professional group D) the research states that eating processed meat will make you infertile

A) the research suggests that there is a link between food intake and sperm count B) the research was published by a credible journal C) the research was presented to a credible professional group

The media reports that a research study found that students learn better if they eat chocolate while reading. If your teacher insist that you eat chocolate, base on this report, what errors is he making? A) the teacher is overgeneralizing the results of this report to all students B) the teacher is not thinking critically about the media report C) the teacher is assuming that the class is similar to the participants in the study D) the teacher is great. what a terrific way to help students learn

A) the teacher is overgeneralizing the results of this report to all students B) the teacher is not thinking critically about the media report C) the teacher is assuming that the class is similar to the participants in the study

How do neurons communicate between each other? A) using chemical messengers B) using electrochemical impulses C) using mechanical impulses D) using electrical impulses

A) using chemical messengers

The occipital lobes respond to: A) visual stimuli B) audio stimuli C) body sensations D) danger

A) visual stimuli

Fast, irregular, and low-amplitude electrical activity corresponds to" A) wakefulness B) drowsiness C) deep sleep D) hypnagogic states

A) wakefulness

The headline is: "Study says sniffling rosemary improves memory by 75%." The story reports that researchers presented evidence that sniffling the essential oil from the herb rosemary improved long-term memory and performance in mental arithmetic. To determine the credibility of this research what other information do you need to consider? A) was the study reviewed by an expert panel B) did the researcher pass a college algebra class C) how many participants were in the research study D) who conducted the research study

A) was the study reviewed by an expert panel C) how many participants were in the research study D) who conducted the research study

The psychology of women and gender emphasizes the importance of which of the following: A) The effects of rewards and punishments on female psyches B) The psychological influences on women's behavior C) People's interactions with women and their relationships, social perceptions, social cognition, and attitudes D) The social and cultural influences on women's development

B) The psychological influences on women's behavior D) The social and cultural influences on women's development

Which of the following are considered depressants: A) amphetamines B) alcohol C) barbiturates D) nicotine

B) alcohol C) barbiturates

____ are states of consciousness that require little attention and do not interfere with other ongoing activities. A) controlled processes B) automatic processes

B) automatic processes

Psychology is formally defined as the scientific study of: A) individual differences B) behavior and mental processes C) mood and emotions D) physical health and wellness

B) behavior and mental processes

Which of the following categories are considered perspectives or approaches to psychology: A) philosophical B) biological C) behavioral D) psychodynamic

B) biological C) behavioral D) psychodynamic

Which of the following are controlled by the autonomic nervous system: A) pain B) breathing C) heart rate D) arousal

B) breathing C) heart rate

A(n) ___ psychologist is likely to study attention and information processing. A) clinical B) cognitive C) behavioral D) educational

B) cognitive

To which drug category do tranquilizers belongs: A) stimulants B) depressants C) hallucinogens D) inhalants

B) depressants

Which psychoactive drugs slow down mental and physical activity: A) marijuana B) depressants C) stimulants D) hallucinogens

B) depressants

A researcher is curious about people's satisfaction with their lives. What type of research might they chose to answer this question? A) experimental research B) descriptive research C) correlational research D) case studies

B) descriptive research

The cerebral cortex, limbic system, thalamus, basal ganglia, and hypothalamus make up the: A) midbrain B) forebrain C) hindbrain D) frontal lobe

B) forebrain

___ psychology is a field of psychology that uses a multidimensional approach to wellness that emphasizes psychological factors, lifestyle, and the nature of the healthcare system. A) forensic B) health C) environmental D) social

B) health

Positive psychology is a movement that emphasizes: A) mental illness B) human strengths C) human weaknesses D) physical health

B) human strengths

The media reported that college students are not as happy as those who are not in college. You are happy. You are in college. Is there something wrong with you? A) yes - you are happy and the research says you are not suppose to be B) no - the results of a group study are not always relevant to an individual C) yes - the study proves that there is something wrong with you D) no- the media may not have reported all the pertinent details of the research finding

B) no - the results of a group study are not always relevant to an individual D) no- the media may not have reported all the pertinent details of the research finding

Which of the following is a mental process: A) movement B) perception of a threat C) movement in response to a perceived threat D) movement in response to a threat

B) perception of a threat

The three key parts of the definition of psychology include all the of following except: A) mental processes B) physical processes C) science D) behavior

B) physical processes

A ____ is able to prescribe psychoactive medications to treat psychopathology. A) counseling psychologist B) psychiatrist C) clinical psychologist D) personality psychologist

B) psychiatrist

The left hemisphere of the brain controls the ___ side of the body and visa versa: A) left B) right

B) right

Which of the following would most likely work at a college or university and conduct research that focuses on teaching and learning: A) forensic psychologist B) school and educational psychologist C) sports psychologist D) school and higher-ed psychologist

B) school and educational psychologist

Today's psychodynamic theories place less emphasis on ___ as determinants of behavior: A) altruism and free will B) sexual drives C) cultural and social experiences

B) sexual drives

To which category of drug so amphetamines belongs: A) hallucinogens B) stimulants C) barbiturates D) depressants

B) stimulants

Which of the following are causes of sleep apnea: A) altered circadian cycles B) the windpipe fails to open C) the decrease of neurotransmitters to the forebrain D) brain processes involved in respiration fail

B) the windpipe fails to open D) brain processes involved in respiration fail

Which of the following statements are true regarding how gender bias has historically affected research in psychology? A) participants were typically all female B) theory and research often focused on the male experience C) researchers were typically all female D) participants were typically all male E) Researchers were typically male F) theory and research often focused on the female experience

B) theory and research often focused on the male experience D) participants were typically all male E) Researchers were typically male

Who is associated with the functionalist movement? A) Sigmund Freud B) Wilhelm Wundt C) William James D) Abraham Maslow

C) William James

The parietal lobes process sensory information from the: A) cortex B) eyes C) body D) ears

C) body

The brain and the spinal cord are structures in the: A) peripheral nervous system B) somatosensory cortex C) central nervous system

C) central nervous system

Which of the following structures are part of the forebrain? A) reticular formation B) cerebellum C) cerebral cortex D) amygdala E) limbic system

C) cerebral cortex D) amygdala E) limbic system

Information is transmitted through the nervous system by: A) genetic transfer B) digital transmission C) chemical messengers D) electrical impulses

C) chemical messengers D) electrical impulses

The cognitive theory of dreaming proposes that: A) dreaming can be understood as an activity that is synchronized by the daily cycle of light and dark and based on input from the retina B) dreaming occurs when the cerebral cortex synthesizes neural signals generated from activity in the lower part of the brain C) dreaming can be understood by applying the same cognitive concepts that are used to study the waking mind D) dreaming can be defined as an altered state of consciousness or simply a psychological state of altered attention and expectation

C) dreaming can be understood by applying the same cognitive concepts that are used to study the waking mind

New research suggests the size of you car affects how you drive. If you have a big car, studies show you may be more likely to break the law. It has to do with posture and how powerful you feel. Researcher Andy Yap from MIT says if youre in a car that allows you to sprawl out, it can make you feel more powerful and that in turn, can lead to unethical behavior. What conclusion can we draw from this study? A) driving small cars will keep us from getting a speeding ticket B) driving big cars will keep us from getting a speeding ticket C) driving big cars may make us feel powerful and we might speed D) driving big cars make us feel powerful and we will speed

C) driving big cars may make us feel powerful and we might speed

Media reported that a research study found that most of us can not react when threatened by an attacker. What specific information might be important to know about the details of this study? A) how many participants are divorced or separated B) whether or not participants were paid to be in this study C) information about the characteristics and size of the sample D) the name of the person who threatened the participants

C) information about the characteristics and size of the sample

Wernicke's area is an area of the brain responsible for understanding: A) movement B) mapping C) language D) space

C) language

Which one of the following statements is true? A) a single research study is likely to provide conclusive answer B) a single research study will provide answers that applies to all of us C) most psychological questions need many research studies to provide answers D) most psychological questions can be answered with a single research study

C) most psychological questions need many research studies to provide answers

Endorphins are: A) antianxiety medications B) synthetic opiates C) natural opiates D) amino acids

C) natural opiates

___ is the main psychoactive ingredient in all forms of smoking. A) THC B) tobacco C) nicotine D) morphine

C) nicotine

MDMA produces its effects by releasing which of the following neurotransmitters: A) endorphins B) LSD C) norepinephrine D) dopamine E) serotonin

C) norepinephrine D) dopamine E) serotonin

The ___ is the specific region of the brain responsible for higher order cognitive functions such as planning and reasoning: A) visual association cortex B) somatosensory cortex C) prefrontal cortex D) association cortex

C) prefrontal cortex

What substances act on the nervous system to alter consciousness, modify perceptions, and change moods: A) somnambulism B) suprachiasmatic nuclei C) psychoactive drugs D) beta waves

C) psychoactive drugs

The subset of the population chosen by the investigator for a study is known as a: A) random sampling B) variable C) sample D) population

C) sample

According to the definition of environmental psychology, which area of psychology is NOT affected by physical settings? A) abnormal behavior B) development C) sexuality D) social relations E) perception F) cognition G) learning

C) sexuality

Why have ethnic minorities been deliberately excluded from selected research samples historically? A) researchers did not want to offend minorities by labeling their ethnicity incorrectly, so they excluded them from their research B) researchers did not think that minorities would come to the university setting to participate in research, so they excluded them from participation C) since their scores did not fit neatly into the distribution, researchers excluded them to keep them from skewing their data D) researchers did not want to pay to have bilingual staff or translate tests, so they excluded ethnic minorities from their research

C) since their scores did not fit neatly into the distribution, researchers excluded them to keep them from skewing their data

Serotonin had been linked to which of the following: A) arousal and schizophrenia B) slowed activity in the central nervous system and anxiety C) sleep and mood D) autonomic activity, sleep, and attention

C) sleep and mood

The key feature of correlational study is: A) that the factors of interest are measured in a real-world setting as appose to in laboratory B) its emphasis on the relationships between its participants C) that the factors of interest are measured or observed to see how they are related D) its goal to find the causation of common phenomena by isolating two variables

C) that the factors of interest are measured or observed to see how they are related

Where is the motor cortex located? A) the back of the parietal lobes B) the front of the parietal lobes C) the back of the frontal lobes D) the front of the frontal lobes

C) the back of the frontal lobes

The need to take increasing amounts of a drug to produce the same effect is known as: A) physical dependence B) psychological dependence C) tolerance D) addiction

C) tolerance

What is a theory? A) an idea that is arrived at logically from a theory B) anything that can change C) An objective description of how a research variable is going to be measured and observed D) A broad idea, or set of closely related ideas, that attempts to explain certain observations

D) A broad idea, or set of closely related ideas, that attempts to explain certain observations

Periodic fluctuation in the body are known as: A) unconscious thought B) automatic processes C) controlled processes D) biological rhythms

D) biological rhythms

If you think you might have a psychological disorder such as bipolar disorder, you should likely see a ____ psychologist; whereas if you are having difficulty adjusting to a new school or job or having a relationship problem you should see a ____ psychologist. A) health; counseling B) counseling; health C) counseling; clinical D) clinical; counseling

D) clinical; counseling

In a phone interview study about an election for you U.S. senator, questions used presented one candidate in a favorable way and the other candidate in a negative way. This is an example of what type of experimental bias? A) reliability B) internal validity C) random assignment D) demand characteristics

D) demand characteristics

Sigmund Freud theorized that: A) evolutionary ideas formed the basis for explaining specific human behaviors B) understanding a person's behavior requires knowing about the cultural context in which the behavior occurs C) the human brain houses a "mind" whose mental processes allow us to remember, make decisions, plan, set goals, and be creative D) early relationships with parents shaped an individual's personality

D) early relationships with parents shaped an individual's personality

___ are a collection of molecules responsible for passing down information from one generation to the next. A) amino acids B) enzymes C) proteins D) genes

D) genes

Which psychological perspective emphasizes a person's positive qualities, capability for positive growth, and the freedom to choose any destiny: A) cognitive approach B) sociocultural approach C) behavioral approach D) humanistic approach

D) humanistic approach

What is the term for an educated guess based on a theory that can be tested: A) conclusion B) data C) variable D) hypothesis

D) hypothesis

One area of specialization in psychology is ___, which is addressed from behavioral and cognitive perspectives, and is a complex process by which changes in order to adapt to changing circumstances: A) sensation B) development C) memory D) learning

D) learning

Which field of psychology studies the relatively enduring qualities of individuals: A) clinical psychology B) health psychology C) community psychology D) personality psychology

D) personality psychology

A ___ psychologist would be interested in how people interact with one another: A) behavioral B) phrenological C) humanistic D) social

D) social

The empirical method involves all of the following except: A) data collection B) logical reasoning C) gaining knowledge through observation D) subjective thinking

D) subjective thinking

Which part of the neuron contains the nucleus? A) dendrites B) the axon C) the glion D) the cell body

D) the cell body

Which of the following issues would a neuroscientist study? A) the effect of culture on learning B) the effect of parental involvement on moral reasoning C) the effect of thinking positively on academic performance D) the effect of endorphins on physical activity

D) the effect of endorphins on physical activity

Which of the following is NOT a focus of I/O (industrial and organizational psychology): A) focusing on personnel issues B) examining human resource management C) studying workers and the organizations that employ them D) treating people with psychological disorders

D) treating people with psychological disorders

Which of the following are considered barbiturates: A) cocaine B) morphine C) Xanax D) Valium E) Nembutal F) Seconal

E) Nembutal F) Seconal

Developmental psychologists focus on the ___ and ___ factors that contribute to human development. A) environmental; social B) social; cultural C) pathological; neurological D) biological; cultural E) biological; environmental

E) biological; environmental

___ is the scientific study of the structure, function, development, genetics, and biochemistry of the nervous system. A) clinical psychology B) environmental psychology C) experimental science D) forensic psychology E) neuroscience

E) neuroscience

A neuron becomes activated by an incoming neural impulse resulting in an ____, which is a brief wave of a positive electrical charge that sweeps down the axon.

action potential

_____ is a disorder that involves long-term, repeated, uncontrolled, compulsive, and excessive use of alcoholic beverages and that impairs the drinker's health and social relationships.

alcoholism

The corpus callosum is comprised of a large bundle of ____ , which allow the left and right hemisphere to communicate with each other

axons

The ___ approach focuses on an organism's observable behavior as opposed to thoughts or feelings:

behavioral

Psychologist who focus on the brain and nervous system are adhering to the ___ approach.

biological

The ____ stem is a midbrain structure that connects to the spinal cord and regulates basic survival functions.

brain

Researchers must use experiments to determine whether ___ relationships exist between variables.

casual

The nervous system has two main divisions: the ___ nervous system and the ___ nervous system.

central; peripheral

The ____ cortex is divided intro two halves - the left and right hemispheres - and each one has different functions.

cerebral

_____ is the general term for awareness of sensations, thoughts, and feelings being experienced

consciousness

___ psychologist are interested to know whether psychological phenomena are universal or culture-specific.

cross-cultural

___ refers to all of the information researchers collect in a study

data

____ neurons stimulates muscles to contract.

efferent

The third step in the scientific method is the need to collect and analyze data, that is, the testing of hypotheses by conducting ____ research by collecting and analyzing data.

empirical

_____ refers to processes, such as thinking, planning, and problem-solving, which are linked to the functioning of the brain's prefrontal cortex

executive function

___ psychology is the field that applies psychological concepts to the legal system.

forensic

Phineas Gage was a railroad worker who sustained damage to his ___ lobes, when an iron rod was driven up through the left side of his face and out of the top of his head during a blasting accident

frontal

Marijuana is classified as a ___ which are psychoactive drugs that modify a person's perceptual experiences and produce visual images that are not real.

hallucinogen

The somatosensory cortex is located at the front of the parietal ___.

lobe

____ is a dream's surface content.

manifest content

The ___ is the measure of central tendency used most often.

mean

Theory of ____ refers to individuals' understanding that they and others think, feel, perceive, and have private experiences.

mind

The ____ is the body's electrochemical communication circuitry.

nervous system

The synaptic gap is the space between two ___ .

neurons

There are two types of cells in the nervous system: ___ cells and ___ cells.

neurons; glial

Neurons communicate by releasing chemicals called ___ into a synapse.

neurotransmitters

Spatial location and motor control are the responsibility of the ___ lobes of the brain.

parietal

A random sample is a sample that gives every member of the ____ an equal chance of being selected.

population

_____ dependence is the strong desire to use a drug repetitively for emotional reasons, such as a feeling of well-being and stress reduction.

psychological

___ is the scientific study of behavior and mental processes.

psychology

A correlational coefficient is most often represented in data by the letter ____.

r

When we say that something has statistical ____ it means that the differences observed between two groups are large enough that it is highly unlikely that those differences are merely due to chance.

significance

A(n) ___ psychologist would be interested in social perception, cognition, and attitudes.

social

In the ____ cognitive behavior view of hypnosis, hypnosis is a normal state in which the hypnotized person behaves the way he or she believes that a hypnotized person should behave.

social

The ___ approach examines the ways in which social and cultural factors influence behavior.

sociocultural

_____ is the formal term for sleepwalking.

somnambulism

___ are used to analyze and interpret the data collected from a research study.

statistics

Caffeine is a ____ and a natural component of the plants that are sources of coffee, tea, and cola drinks.

stimulant

An individual's response to environmental stressors is ___ .

stress

You ask people to fill out a questionnaire, which relates your political and spiritual beliefs. This is an example of _____ research,

survey

Stage 1 sleep is characterized by ___ waves, which are even slower in frequency and greater in amplitude than alpha waves.

theta

Computerized axial ____ is an imaging technique that produces a three-dimensional image obtained from X rays.

tomography

A psychologist is studying sadness. Sadness would be considered a ____ in this study.

variable

Correlational research is about establishing relationships between two ____.

variables