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Homework answers / question archive / Question 1)   Would a researcher use a true experimental design to examine the effects of spousal abuse on self-esteem?  Why or why not?       Answers:   No, because it would be unethical   No, because external validity would be low   Yes, because experimental realism would be high   Yes, because a true experiment would allow the researcher to make a causal statement       Question 2         You read this statement in an abstract: "A strong, consistent relationship was found High self-esteem participants were less likely to conform than low-self esttem participants?  From this information, you know that the r in the study was closest to       Answers: -

Question 1)   Would a researcher use a true experimental design to examine the effects of spousal abuse on self-esteem?  Why or why not?       Answers:   No, because it would be unethical   No, because external validity would be low   Yes, because experimental realism would be high   Yes, because a true experiment would allow the researcher to make a causal statement       Question 2         You read this statement in an abstract: "A strong, consistent relationship was found High self-esteem participants were less likely to conform than low-self esttem participants?  From this information, you know that the r in the study was closest to       Answers: -

Physics

Question 1)

 

Would a researcher use a true experimental design to examine the effects of spousal abuse on self-esteem?  Why or why not?

     

Answers:

 

No, because it would be unethical

 

No, because external validity would be low

 

Yes, because experimental realism would be high

 

Yes, because a true experiment would allow the researcher to make a causal statement

     
  • Question 2

 

   
 

You read this statement in an abstract: "A strong, consistent relationship was found High self-esteem participants were less likely to conform than low-self esttem participants?  From this information, you know that the r in the study was closest to

     

Answers:

-.10

 

 

-.50

 

+.10

 

+.50

     
  • Question 3

 

   
 

When Scholastic Aptitude Test (SAT) scores are correlated with college grades, the SAT scores are the ____ and the college grades are the ___

     

Answers:

criterion variable; predictor variable

 

 

predictor variable; criterion variable

 

convergent variable; discriminant variable

 

discriminant variable;convergent variable

     
  • Question 4

 

   
 

When we square the correlation coefficient r to produce r2 the result is equal to

     

Answers:

the effect size

 

 

the proportion of variance accounted for

 

standard error of estimate

 

coefficient of estimation

     
  • Question 5

 

   
 

The Pearson correlation coefficent is not very effective at detecting

     

Answers:

instances of no relationship

 

negative linear relationships

 

positive linear relationship

 

 

nonlinear relationship

     
  • Question 6

 

   
 

There are two types of criterion validity. _____validity is the extent to which a procedure is correlated with future behavior, and _____validity is the extent to which a procedure is correlated with present behavior.

     

Answers:

Discriminat;convergent

 

Convergent;discriminatn

 

Concurrent;predictive

 

 

Predictive;concurrent

     
  • Question 7

 

   
 

_____are preferred when the researcher must react to the participants'responses, but _____are more reliable and less susceptible to demand characteristics.

     

Answers:

Projective tests;objective tests

 

Objective tests;projective tests

 

 

Interviews; questionnaires

 

Questionnaires;interviews

     
  • Question 8

 

   
 

Virginia is measuring attitudes toward recycling. She wants to force her participants to take a stand on the issue, yet she also wants to have a sensitive measure.  How many points should she use on her rating scale?

     

Answers:

2

 

3

 

5

 

 

6

     
  • Question 9

 

   
 

Tamara is trying to disguise the true purpose of her questionnaire, by including some irrelevant questions, which she does not intend to score. Such questions are

     

Answers:

catch trials

 

funnel questions

 

 

filler questions

 

pilot questions

     
  • Question 10

 

   
 

Dr. Yo finds a correlation of -.62 between age of job applicants and their likelihood of being hired.  However, he thinks that computer skills may be an important factor in this relationship that needs to be held constant.  What should he use to find out?

     

Answers:

Discriminant analysis

 

 

Partial correlation

 

Factor analysis

 

A filter question

     

 

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