PS370 Research Methods in Psychology Online Exam 2 Answers (Ashworth College)

PS370 Research Methods in 

Psychology Online Exam 2 Answers 

(Ashworth College) 

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PS370 Research Methods in Psychology Online Exam 2 Answers (Ashworth College) 

Question 1 of 20 

5.0/ 5.0 Points 

An example of an extraneous variable in a study designed to explore a child's unique problem-solving 

strategies is: 

A. the child's response time for each problem set. 

B. the number of correct answers a child achieves without assistance. 

C. unrequested assistance from other children in solving the problems. 

D. the problem sets themselves. 



The deliberate falsification of data is an egregious ethical violation because: 

A. there is no way that the misinformation introduced will ever be corrected. 

B. the scientist involved benefits financially through his or her fraud, thus making it a legal matter. 

C. the scientist involved will never experience consequences for his or her actions. 

D. it weakens the integrity of the entire scientific enterprise. 



Which of the following is NOT an example of an applied psychological research question? 

A. How can we investigate which part of the brain is dedicated to memory? 

B. How can we train people to be better parents? 

C. How can we refine air traffic control procedures to minimize the chance of controller error? 

D. What is an effective approach for designing a relaxation program for retarded children to improve their 

attention skills?



Studying the factors that affect the auditory memory of monkeys is an example of __________ research. 

A. applied B. nomothetic C. basic D. generalization 



A researcher hypothesizes that verbal criticism and aggression among coworkers increase as frustration 

increases. Workers are assigned to one of three groups (no frustration, moderate frustration, high frustration). 

For each group verbal aggression and criticism are measured. In this example the dependent variable is: 

A. frustration level. B. verbal aggression and criticism. 

C. the number of people in a group. D. amount of work completed. 



If a researcher was weighing white mice and used an ordinary bathroom scale, this measure would be 

expected to show: 

A. floor effects. B. ceiling effects. 

C. both good reliability and good validity. 

D. good validity but poor reliability. 



Why is it important to represent the diversity of the culture in psychological and medical research? 

A. Because the risk associated with research should be shared equally. 

B. Because findings in one group may not apply to other groups. 

C. Because Title IX dictates equal availability of research opportunities. 

D. Because every group is required to fund the research, every group should be allowed to conduct the 

research. 



In a study of weight control, in which the proportion of fat and carbohydrate intake is varied across conditions 

and subsequent weight loss is measured,: 

A. fat is an independent variable. B. weight loss is an independent variable. 

C. fat and carbohydrates are correlated variables. 

D. fat and carbohydrates are dependent variables. 



When two independent raters make ratings that agree with one another, the measure used is said to 

demonstrate __________ reliability. 

A. test-retest B. interrater C. split-half D. internal consistency 



In order to determine that a person who walks 50 units of distance is walking twice as far as someone who 

walks 25 units of distance, what type of measurement scale must be employed? 

A. Nominal B. Interval C. Ordinal D. Ratio 



Which of the following represents data arranged on an ordinal scale of measurement?

A. Ranking of color preferences in a human factors engineering study 

B. Total number of calories consumed on a weight reduction program 

C. Scores on an anxiety inventory 

D. Diagnostic categories such as diabetes, hypertension, and colitis 



The speed with which a rat runs a maze is an example of a(n) __________ variable. 

A. stimulus B. behavioral C. organismic D. participant 



In the development of a new measure of job satisfaction, the researchers give the measures twice to the same 

participants at 6-month intervals in order to establish: 

A. test-retest reliability. B. interrater reliability. 

C. a correlation coefficient. D. social desirability. 



Feelings such as sadness, stress, and fear can be studied by: 

A. operationally defining a set of procedures for manipulating those feelings. 

B. practically defining a set of procedures for manipulating those feelings. 

C. operationally defining a set of procedures for directly observing those feelings. 

D. They cannot be studied effectively. 



Researchers commonly safeguard confidentiality by: 

A. changing the names of participants. 

B. using participants that live far away from the research center. 

C. using numerical codes for participant identification. 

D. using initials only. 



If a broken clock (i.e., stuck on the same time) is consulted every hour on the hour, it will 

A. yield a reading that is valid. 

B. yield a reading that is valid but not reliable. 

C. yield a highly reliable reading, but one that is not valid. 

D. help a Type-A personality to relax. 



A researcher wants to develop a measure of test anxiety with high internal consistency reliability. It would be 

best for her to have the measure consist of: 

A. one item. B. ten items. C. twenty items. 

D. Item number is not important to internal consistency reliability. 



A researcher measures the variable of a living situation as follows: 1=urban; 2=suburban; 3=rural. This is an 

example of a(n) __________ scale.

A. nominal B. ordinal C. interval D. ratio 



The four characteristics of the abstract number system are identity, magnitude, a true zero, and 

A. reversibility. B. transitivity. C. additivity. D. equal intervals. 



A measure can be __________ without being __________. 

A. valid; reliable 

B. reliable; valid 

C. valid; replicable 

D. subjective; person-specific

PS370 Research Methods in Psychology Online Exam 2 Answers (Ashworth College)

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