PSYCH Final
which of these sets of correlation coefficients is ordered from weakest to strongest
.07, -2.4, .56, -.78
which of these could be Pearson's R for the correlation between preschool ability to delay gratification on the marshmallow test and SAT score
0.3
match each item type to the corresponding item: 1. on average how many cigarettes doe you smoke per day 0, 1-5,6-10,>10 2. on average how many cigarettes do you smoke per day? _____ 3. i can quit smoking whenever I want -strongly agree, strongly disagree, agree, disagree
1. closed 2. open enden 3. likert
observer A and observer B recorded swear words utilized by patient 4, a child diagnosed with tourettes syndrome in successive 5 minute epochs these are the data: observer A: 15929834 observer B: 15929814 calculate percent correct
80
survey items that can be answered with a double negative response are problematic because they
?? -not all of the above
nonresponse bias occurs when
?? -not those responding to a survey fail to answer a significant number of questions on the survey
suppose there is a high positive correlation between reading speed and reading comprehension. you suspect that IQ increases both reading speed and reading comprehension. IQ is a potential
?? NOT range restriction
the goal of naturalistic observation is to
??? -NOT observe without altering the behavior you are observing
a researcher who selects a probability sample of psychology majors that is 45% bachelor of science students and 55% bachelor of arts students s most likely to be using ____ sampling
??? not convenience
to study math achievement in west virginias third graders a researcher randomly selects 5%of the states school districts and gives all the students in each district a math test. what sampling procedure is being taken here
??? not quota
which is a type of nonprobability sampling?
???? not cluster sampling
on how many days in the last month did you have a headache is an example survey of an
???partially open item -not open item
evidence based practice in a drug rehabilitation clinic would involve
ALL OF THE ABOVE -clinic staff reading the latest primary source literature on treatment for addiction and using whatever treatment based on whichever treatment has the strongest scientific evidence that it works -therapists regularly attending scientific conferences and taking continuing education classes in their filed -patient records include objective measures of treatment efficacy
learning about research methodology and critical thinking is important for
ALL OF THE ABOVE -evaluating standards of care in social or healthcare services -evaluating information from various sources -learning to make decisions based on evidence
according to the APA code which of the following conditions must be met for researchers to be exempt from obtaining informed consent or debriefing participants
ALL OF THESE -confidentiality is maintained -anonymity is maintained -researchers do not interfere with the participants directly -the environment is public
which of the following should be avoided when writing survey questions
ALL OF THESE -double negatives -complex wording -leading questions
the problem of directionality in correlational research
BOTH A AND B -is when its not possible to determine whether A caused B or B caused A -occurs because there are no manipulated independent variables
the problem of directionality in correlation research
BOTH A AND B -is when its not possible to determine whether A caused B or B caused A -occurs because there are not manipulated independent variable
how much information is in a coefficient of correlation
BOTH alternatives of A AND B -the strength of a relationship -the direction of a relationship
which of the following is an example of naturalistic observation
Ginsburg and Miller (1982) recorded the number of boys and girls engaging in these risky behaviors and found that boys engaged in risk taking behaviors more frequently than girls
which of these is a primary source
NONE OF THE ABOVE -textbook about research methods in psychology...
which of the following is not an important factor when determining that X is causing Y to occur
X and Y should occur simultaneously
which of these is a primary source?
a graduate student's dissertation on canine cognition
which of the following is a peer reviewed source of evidence
a research article in the american journal of psychology
ultimately the decision about whether a manuscript should be published lies with the
action editor
one advantage of event based sampling is that
all instances of the target behaviors are recorded
ergonomic psychologists develop airplane diets that are fool proof. that is pilots cannot inadvertently turn them the wrong way. this demonstrates which goal of psychological research
application
what does the action editor do on the scientific peer review process
assigns experts in the field as reviewers
observer bias can be reduced by using
clear operation definitions
observer bias can be reduced by
clear operational definitions
an objective observation is one
completely free from any personal bias on the part of the observer
open discussions of psychological and scientific research represent which of the following essential elements of science
democratic discussion
the statement "many students fear taking a research methods course" is an example of ____ the stement "the fear of taking a research methods course is caused by unfounded gossip" is an example of ______ behavior
describing; explaining
DM-IV is a system for classifying mental disorders. as such it most clearly illustrates which of psychologys goals
description
if there is a strong relationship between variable A and variable B. it could be that A is causing B to occur but it could also be that B is causing A to occur. this is known as the
directionality problem
which of the following is an example of an empirical question that could be tested using systematic observation
do native english speaking canadians take longer to learn chinese or to learn spanish
which is most likely to be a correlational study rather than an experiment
do people who drink more water sleep better than people who drink less water
which of the following is the best definition of inductive reasoning
drawing a conclusion from an observation of a limited number of samples
_________ methods in psychological research are approaches to data gathering that are tied to actual measurement and observation
empirical
questions that can be answered through systematic observation and data collection are called
empirical questions
Leonard convinces his wealthy clients that they can move objects with their minds. he tells them that if they truly believe the objects will move. if the objects do not move, it is because they do not truly believe. leonards argument fails which important criteria of science
falsifiability
a statement that can be shown to be false is
falsifiable
a statement that is untrue is considered to be
falsifiable
identify the most likly third variable to account for a correlation between dental visit frequency and life expectancy (i.e. the more often someone visits the dentist the longer they live)
frequency of flossing
in a negative correlation
high scores on one variable are accompanied by low scores on the second variable
which is an example of an open ended survey item
how is a closed question different from an open question
based on the readings, if you never get involved in research why is taking a research methods or critical thinking course valuable
improves your ability to be a critical consumer of information
what is the advantage of a field study over a lab study
increased external validity
researchers have measured the contents of peoples trash and the bumper stickers that people put on their cars. these are two examples of
indirect measures
which of the following is an example of non response bias
individuals with shorter attention spans did not finish completing a survey on their academic experience
a bee stings Stephen. he notices that the sting is not very painful and concludes that stings from wasps, bees, and other insects do not hurt. this is an example of
inductive reasoning
according to the APA ethics code
informed consent is not needed for unobtrusive observations in public environments
When researchers take special care to include and control for every possible variable, the study is likely to have high ______, even though the results may not generalize to more realistic situation
internal validity
when researchers take special care to include and control for every possible variable the study is likely to have high _______, even though the results may not generalize to a more realistic situation
internal validity
when researchers take special care to include and control for every possible variable, the study is likely to have high _____ even though the results may not generalize to a more realistic situation
internal validity
researchers who_______ will always need to include an informed consent process to get approved by their IRB
intervene directly with patients
in a study of culture in nonhumans, researchers try to predict juvenile chimpanzees will be able to learn new skills fastest based on the size of their mothers' american sign language vocabulary
juveniles' skill learning speed is the criterion variable
which of the following titles of an academic paper best reflects the notion that science is democratic
look at these data and form your own opinion
what is one way to tell if a journal is peer reviewed
look up the journal in PubMed
which is not a guideline for creating effective survey items
make items as long and specific as possible
correlational and experimental research differ in that
manipulated independent variables only occur in experimental research
by definition scan sampling involves
many target participants
a los angeles times article entitles "Green coffee beans show potential for losing weight" is most likely to be a
non peer reviewed secondary source
why is it beneficial for scientists to use systematic observation in order to acquire knowledge
observations provide the basic data that allow scientists to track, tally, or otherwise organize information about the natural world
which of teh following is an example of unobtrusive method of behavioral observation
observing subjects through a one way mirror
scientific findings published in the popular press are:
often dramatized
which of these is NOT one of psychology's goals
persuasion
the basic definition of _________ is that all members of the population have exactly the same chance of being selected as participants
probability sampling
interobserver reliability is calculated for the purpose of
quantifying observer bias
correlations based on a subset of all possible scores may be different than those based on the whole range. this concept is called
range restriction
good survey items should be _____ and _____
reliable and valid
when survey items are all worded favorably the result can be a response bias called
response acquiescence
reverse scored items and manipulation checks are methods of minimizing
response bias
the idea of falsifiability involves
ruling out bad explanations
while focal sampling involves collecting data from a small number of individuals , _______- involves observing an entire group of people or animals and recording a few specific behaviors from those within the group
scan sampling
in general, pseudoscience theories
sidestep disproof by describing their studies in vague terms
a researcher who selects a probability sample by drawing up a list of names from the phone book using a list of random numbers is most likely to be using _____ sampling
simple random
on surveys subjects can try to present a positive image of themselves a problem referred to as
social desirability bias
_______ is a method of observational research in which researchers manipulate the environment to create opportunities to observe behavior in specific situations
structured observation
_________ is a method of observational research in which researchers manipulate the environment to create opportunities to observe behavior in specific situations
structured observation
imagine that researchers were interested in learning about public support for gay marriage. if the researchers analyzed facebook posts regarding the acceptance or rejection of homosexuality (via opinions in status updates,article posts, or groups they officially like), they would be
studying online behavior
which of the following is NOT an essential feature of science
subjective
sometimes considered the core of science ______ refers to the careful monitoring (or watching) of the natural world with the aim of better understanding it
systematic observation
the correlation between verbal SAT scores (max score=800) and freshman GPA will be lowest at a school
that only accepts students with a minimum of 600 on the verbal SAT
the method of introspection was gradually replaced by more direct behavioral methods because
the latter were more objective
which of the following is true about participant observation
the participant observers can influence the behavior of the group
why are we unable to determine whether less impulsive people are better off quitting smoking or quitting smoking makes people less impulsive based on the study by Bickel, madden and odum mentioned in this module
the problem of range restriction
in the scientific peer review process a reviewer should comment on all of the following EXCEPT
the quality of the university where the authors conducted the study
which of the following would be most likely to produce a negative correlation
the relationship between college grades and total TV watching time
in order for a pearson's R to reflect a meaningful relationship which of the following must be true
the relationship must be linear
in order to generalize from the results obtained with a sample to the population as a whole
the sample must be representative of the population
with a ____ is a group of closely related phenomena or observations, _____ is a logical idea that can be tested
theory; hypothesis
scientific thinking by psychologists is characterized by all of the following except
they are most interested in subjective personal experiences like dreams
part of the problem with horoscopes scientifically speaking is that
they are so vague they cannot be falsified
which of the following is a method for reducing observer bias?
training observers on operational definitions
survey questions should be stated using simple wording
true
imagine you study childhood traumatic brain injury (TBI). which of the following research questions should be classified as description, rather than prediction, explanation, or application
what is the lifetime prevalence of TBI? in other words how many people (what percent of the U.S. population) experience a TBI at some point in their lives
which of the following is a reason that indirect measures of behavior can be risky
you must make some assumptions regarding behaviors and effects