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Multiple Choice
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1

When a measurement of a psychological variable is consistent or stable, it is called _______.
A)valid
B)reliable
C)reactive
D)both a and b
2

Mary weighed herself this morning and weighed 120 pounds on her scale at home. A few minutes later she weighed again and the scale showed she weighed 125 pounds. Most likely the scale Mary used was __________.
A)reactive
B)reliable
C)unreliable
D)invalid
3

When a measurement scale is unreliable the true score is unreliable, any measure made will likely be composed of a __________ true score and __________ error.
A)low; low
B)low; high
C)high; low
D)high; high
4

One way to assess the stability of measures is by computing a Pearson __________.
A)coefficient correlation
B)linear coefficient
C)correlation coefficient
D)coefficient of determination
5

Which of the following indicates the strongest correlation?
A)+1.48
B)-0.98
C)+0.55
D)-3.62
6

When you read about reliability in an article, the correlation between two test scores will usually be referred to as the __________ coefficient.
A)positive
B)negative
C)reliability
D)assessment
7

A group of students took a cognitive development test on Monday and then took the same test again the following week. Most likely the researchers were assessing the __________ of the test.
A)test-retest reliability
B)split-half reliability
C)odd-even reliability
D)inter-item reliability
8

Which of the following statements about test-retest reliability is FALSE?
A)It is best if the reliability coefficient is at least .80 before we accept the measure is reliable.
B)Sometimes test-retest reliability is artificially high because the same people may remember how they answered the first time.
C)Test-retest reliability is the best form of reliability measurement.
D)Test-retest reliability is very useful if the variable being measured is expected to stay constant over time.
9

Which of the following is an indicator of the internal consistency reliability of a measure?
A)split-half reliability
B)Cronbach's alpha.
C)interrater reliability
D)both a and b
10

When two raters observe behaviors using specific instructions for making judgments about the behaviors, a correlation between the observations of the two raters is called __________.
A)split-half reliability
B)Chronbach's alpha.
C)item-total correlations
D)inter-rater reliability
11

__________ refers to the adequacy of the operational definition of variables.
A)Operational validity
B)Construct validity
C)Measurement validity
D)Reliable validity
12

Dr. Mary reviewed a measurement scale designed to measure extroversion and said that it appeared to measure extroversion. This is called __________.
A)face validity
B)internal validity
C)convergent validity
D)predictive validity
13

__________ is demonstrated when the measure is NOT related to variables with which it should not be related.
A)Convergent validity
B)Concurrent validity
C)Discriminate validity
D)Discriminant validity
14

If participants are aware their behavior is being measured and it changes their behavior, the measure is said to be __________.
A)systematic
B)reactive
C)predictive
D)conducive
15

One question on a student survey asked students to indicate their grade point average by circling A, B, C, D, or F. This measure of grade point average is an example of a ___________ scale.
A)nominal
B)ordinal
C)interval
D)ratio





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