Deck 4: Research Methods in Clinical Psychology

Question 1

Researchers on a college campus conduct an epidemiological study regarding criminal activity.They interview students about their personal histories of criminal activity,and the students underestimate the amount of criminal activity in which they have participated.This inaccuracy is probably due to

A) retrospective reporting.
B) social desirability.
C) either of the above
D) neither of the above

Answer 1

either of the above

Question 2

The Pearson product-moment coefficient ranges from

A) 0 to 1.
B) -1 to 1.
C) 0 to 100.
D) -100 to 100.

Answer 2

-1 to 1.

Question 3

Researchers conduct a correlational study and find that as the quality of the client-therapist relationship increases,so does the quality of the therapy outcome.The r statistic that would most likely represent this finding is

A) r < .05.
B) r = -.70.
C) r = .70.
D) r = -.05.

Answer 3

r = .70.

Question 4

Unsystematic observation

A) has no value in the scientific process.
B) is synonymous with naturalistic observation.
C) is helpful in developing testable hypotheses.
D) is limited to areas of psychology other than clinical.

Question 5

The lifetime prevalence rate of schizophrenia is 1%,suggesting that

A) a member of the general population has a 1 in 100 chance of developing this disorder in his/her lifetime.
B) a member of the general population has a 1 in 100 chance of developing this disorder in the next 12 months.
C) if a member of the population is diagnosed with schizophrenia, he/she has a 1 in 100 chance of retaining the diagnosis for the remainder of his/her lifetime.
D) currently, 1 of every 100 members of the general population has this disorder.

Question 6

A study that aims to measure the number of people in a particular city who are diagnosable with generalized anxiety disorder is an example of

A) the case study method.
B) multivariate research.
C) epidemiological research.
D) none of the above

Question 7

In scientific terms,the best explanations for human behavior are those

A) that offer a clear opportunity for disproof.
B) that are most complex.
C) that are based upon cross-sectional research.
D) that are based upon commonly held beliefs.

Question 8

Researchers conducting an epidemiological study are concerned about the influence of social desirability factors.In other words,the researchers are concerned that

A) the editors of the journal where they hope to publish their results are biased toward "feel-good" articles.
B) they will be unable to communicate their hypotheses to participants.
C) participants will tend to withhold embarrassing information and report information that places them in a favorable light.
D) they will not be able to sample as many segments of society as they would like.

Question 9

According to recent epidemiological data,women are more likely than men to be diagnosed with

A) mood disorders and anxiety disorders.
B) mood disorders, but not anxiety disorders.
C) anxiety disorders, but not mood disorders.
D) neither mood disorders nor anxiety disorders.

Question 10

Case studies have proven useful for

A) disconfirming universally known or accepted information.
B) generating testable hypotheses.
C) describing unusual phenomena or novel treatments.
D) all of the above

Question 11

What is true of risk factors,in the context of epidemiological studies?

A) If a person possesses a risk factor, it's certain that he or she will develop the disease or disorder at some point.
B) Identification of risk factors can be useful to target people for assessment and treatment.
C) Both of the above are true.
D) Neither of the above is true.

Question 12

Which of the following statements best summarizes the relationship between theory and research in clinical psychology?

A) Theory influences research methods.
B) Research outcome influences theory.
C) Theory and research each progress without influence from the other.
D) Theory and research influence each other.

Question 13

Which of the following is an advantage of naturalistic observation over controlled observation?

A) less artificiality
B) greater ability of the researcher to manipulate variables
C) greater internal validity
D) greater compliance with the APA ethical code

Question 14

A psychologist notices that one client tends to arrive late for appointments if the client discussed emotionally difficult material during the previous session.The term for this research method is

A) unsystematic observation.
B) controlled observation.
C) intuitive analysis.
D) naturalistic observation.

Question 15

The __________ research method involves the intensive study of a particular client or patient who is receiving treatment.

A) analytic
B) case study
C) unsystematic observation
D) controlled observation

Question 16

Which of the following is NOT a disadvantage of the case study method?

A) It is hard to detect or control all important variables acting in a given case.
B) Data or conclusions from an individual case may not apply to people in general.
C) Case studies do not allow us to draw conclusions about cause and effect.
D) Case studies are unethical because they involve the disclosure of confidential information.

Question 17

Epidemiological researchers who are trying to measure the number of 25-year-olds who are depressed should ideally ask

A) people who are 25 at the time to report on their current symptoms.
B) people who are 26 at the time to report on symptoms from 1 year ago.
C) people who are 30 at the time to report on symptoms from 5 years ago.
D) an equal number from each of the above groups.

Question 18

__________ refers to the rate of new cases of illness that develop within a given period of time,while __________ refers to the overall rate of cases (old or new)within a given period of time.

A) Incidence; distribution
B) Incidence; prevalence
C) Prevalence; incidence
D) Distribution; incidence

Question 19

Over the course of several weeks,a psychologist visits a 4ᵗʰ grade classroom at various points during each day to determine whether hyperactive behavior is more prevalent at particular times of day.This research method is best described as

A) naturalistic observation.
B) unsystematic observation.
C) the ABAB procedure.
D) controlled observation.

Question 20

Researchers show participants one of several short films that vary in the extent to which they provoke anger,and they measure the heart rates of each participant immediately after each film.This research method is best described as a(n)

A) series of case studies.
B) unsystematic observation.
C) controlled observation.
D) naturalistic observation.

Question 21

Internal validity may be increased by

A) matching participants on important characteristics.
B) randomly assigning participants to treatment groups.
C) employing double-blind procedures.
D) all of the above

Question 22

Which type of study methodology does NOT yield results that are internally valid?

A) case study method
B) experimental method
C) single-case design
D) mixed design

Question 23

An r statistic of -.85 suggests that

A) as one variable goes up, the other variable goes up.
B) the two variables are unrelated to each other.
C) on average, the second variable is .85 less than the first variable.
D) as one variable goes up, the other variable goes down.

Question 24

What is the term for the visual representation of data,in correlational research,that shows how each individual scored on each of two variables?

A) scree plot
B) histogram
C) scatterplot
D) correlation matrix

Question 25

ALL BUT WHICH of the following is true of the placebo effect?

A) It is caused by participants' expectations.
B) It may be controlled through use of the double-blind procedure.
C) It is only a factor in medication trials.
D) All of the above are true.

Question 26

If the hypothesis states that A causes B and the r statistic demonstrates that A and B have a correlation of 0,it can be concluded that

A) A causes B.
B) B causes A.
C) A does not cause B.
D) none of the above

Question 27

What is the "third-variable problem"?

A) When a researcher measures so many variables that it's difficult to make sense of the data.
B) When a research considers only one direction of causation between two variables that are strongly correlated.
C) When a researcher measures variables that are not relevant to the relationship he or she is most interested in.
D) When a researcher fails to consider that two variables may be correlated due only to the effects of some unmeasured third variable.

Question 28

__________ designs are those that evaluate or compare individuals at the same point in time,while __________ designs follow the same participants over time.

A) Cross-sectional; longitudinal
B) Longitudinal; cross-sectional
C) Quasi-experimental; experimental
D) Experimental; longitudinal

Question 29

Which of the following is the best example of a confounding variable jeopardizing the internal validity of a study?

A) Researchers perform a factor analysis and, in the inferential factor-naming stage, assign names to the factors that cause disagreements with other researchers.
B) A participant in a psychotherapy effectiveness study receives counseling from a minister in addition to the therapy provided in the study.
C) A participant in a psychotherapy study who is placed on a waiting list receives no treatment at all while other participants in the same study are receiving psychotherapy.
D) Two variables are found to correlate highly with each other, when in fact they are both caused by a third, unmeasured, variable.

Question 30

__________ is a statistical method that utilizes many separate correlations in order to determine which variables change in concert and thus can be considered functionally related.

A) Latent correlation
B) Scatterplot analysis
C) Multiple correlation
D) Factor analysis

Question 31

The correlation coefficient tells us

A) the general shape of the scatterplot.
B) which variable causes the other.
C) how well we can predict the level of one variable from the level of the other.
D) more than one of the above

Question 32

Good experimental procedure in the above study (#29)would include

A) providing the people on the waiting list with a self-help version of the same treatment received by the other group.
B) matching participants on initial severity of depressive symptoms.
C) both of the above
D) neither of the above

Question 33

In an experimental procedure,the variable that is under the control of the experimenter is known as the __________ variable.

A) dependent
B) extraneous
C) independent
D) matching

Question 34

External validity is essentially

A) the strength of the cause-effect relationship.
B) irrelevant to experimental research.
C) assured by using a double-blind procedure.
D) generalizability to situations beyond the specific study context.

Question 35

Researchers at a psychology clinic screen all new clients via phone interview,and over a few weeks have a list of 40 new clients who meet criteria for depression.Twenty receive cognitive-behavioral treatment,and the other twenty are told that they are on a waiting list.The independent variable in this study is __________,and the dependent variable is __________.

A) depression level; treatment
B) treatment; depression level
C) length of study; depression level
D) treatment; length of study

Question 36

Dr.Greene would like to conduct an externally valid study on the topic of social anxiety.Which study methodology below is most likely to yield results that are externally valid?

A) case study of an individual with social anxiety
B) single-case design examining the effects of imagery exercises in a person with social anxiety
C) epidemiological study to estimate the prevalence of social anxiety
D) experimental study examining the effects of group therapy (versus being waitlisted) on social anxiety

Question 37

A double-blind study

A) helps guard against the effects of experimenter expectations.
B) involves giving patients the treatment they least expect.
C) necessarily involves the use of a placebo.
D) is high in external validity.

Question 38

Which of the following statements about factor analysis is NOT true?

A) Factor analysis is a type of correlational method.
B) Factor analysis is used to determine cause and effect in a large array of variables.
C) A factor analysis is only as useful as the measures that are included in the analysis.
D) All of the above statements are true of factor analysis.

Question 39

A major advantage of within-group experimental designs is that they

A) require fewer participants than between-groups designs.
B) are more valid than between-groups designs.
C) allow for higher numbers of participants than between-groups designs.
D) are more flexible than between-groups designs.

Question 40

When we are not sure that the obtained result of an experimental study is really attributable to our manipulation of the independent variable,we are questioning the __________ of the study.

A) generalizability
B) external validity
C) internal validity
D) correlational nature

Question 41

Describe the general structure of an ABAB research design.What are the advantages and disadvantages of its use?

Question 42

Dr.Jennings has developed an intervention to help people stop smoking,and he wants to conduct a study to test it.In his design,he first collects baseline measurements of how much his study participants smoke at work,at home,and while socializing.Then,for one week he instructs participants to use the interventions he's developed only at work; during the next week he instructs participants to use these techniques at both work and home; and during the next he instructs participants to use these techniques at work,at home,and while socializing with friends.All along Dr.Jennings continues to track how much people have smoked in each situation.This study is an example of

A) an ABAB design.
B) an epidemiological design.
C) a multiple baseline design.
D) a single-case design.

Question 43

What is the difference between statistical and practical significance? Provide an example to illustrate.

Question 44

Which of the following is NOT true of single-case designs?

A) They allow the researcher to draw conclusions about cause and effect.
B) They do not require that a potentially helpful treatment be withheld from any study participant.
C) Ultimately, they require about as many participants as experimental studies comparing groups.
D) All of the above statements are false.

Question 45

A drug company has developed a new treatment for attention-deficit hyperactivity disorder in children.They design a study that looks at the effectiveness of the drug separately in boys and girls across three different dosage levels.What is the term for this type of study design?

A) AB study design
B) mixed study design
C) within-subjects design
D) correlational design

Question 46

Briefly compare and contrast experimental and correlational research methods.

Question 47

Ethical psychological researchers

A) do not fabricate data.
B) obtain informed consent from participants.
C) use deception only when it is not possible to use alternative methods.
D) all of the above

Question 48

Identify at least four general elements of the consent form for a study.

Question 49

Dr.Paulus conducts a study that compares the success of two 8-week weight-loss regimens.She uses statistics to compare the mean number of pounds lost by participants in each condition and comes up with a p-value of .08.What is the safest conclusion for her to draw?

A) The results of the study are statistically significant.
B) The difference in mean weight loss between groups may have been caused by chance alone.
C) The difference in mean weight loss between groups was too great to have been a chance finding.
D) One could expect similar levels of weight loss in the population at large.

Question 50

The ABAB design

A) is an example of a single-case design with alternating treatment and no-treatment phases.
B) involves measuring participants on two separate variables of interest.
C) has been recognized as the most externally valid form of clinical research.
D) none of the above

Question 51

Briefly compare and contrast unsystematic,naturalistic,and controlled observation methods.

Question 52

Why is deception sometimes used in psychological research? What are some objections to its use?

Question 53

ALL BUT WHICH of the following are necessary elements of a study debriefing?

A) an explanation for why the study was done
B) if deception was used in the study, an explanation for why deception was necessary
C) a description of the study results (or how to obtain this information when the study is complete)
D) the credentials of all the researchers involved in the study

Question 54

Which of the following would constitute a violation of the ethical standard of confidentiality?

A) At a conference, a psychologist presents the neuropsychological assessment scores for an Alzheimer's patient, telling the audience only that the data came from "a 64-year-old Caucasian male."
B) A professor shows a portion of a therapy session with one of his clients during a graduate seminar, after having obtained the client's consent to do so.
C) A study author indicates that participants were 203 undergraduate students enrolled in introductory psychology at the university during fall 2011.
D) None of the above scenarios involves a breach of confidentiality.

Question 55

Briefly compare and contrast cross-sectional and longitudinal designs.

Question 56

Deception in psychological research

A) has been illegal since the early 1900s.
B) should be used only when it is not possible to use non-deceptive methods.
C) usually fails to conceal the hypotheses under study.
D) was legal until 1980, but is currently illegal.

Question 57

Traditionally,a correlation is deemed statistically significant if it

A) is less than -.05 or greater than .05.
B) would occur by chance alone less than 5 times out of 100.
C) is less than -.95 or greater than .95.
D) is greater than 1.00.

Question 58

Explain what is meant by both internal and external validity in the context of psychological research.

Question 59

What are the strengths and weaknesses of the case study method?

Question 60

What are some threats to the validity of epidemiological research?