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True or False
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1

The most important step in constructing a questionnaire is to pretest the draft of the questionnaire.
A)TRUE
B)FALSE
2

Valid tests are characterized by consistency.
A)TRUE
B)FALSE
3

In general, the reliability of a test increases with the number of items on the test.
A)TRUE
B)FALSE
4

Obtaining a correlation coefficient (r) of 1.42 indicates an error in calculation.
A)TRUE
B)FALSE
5

A reliable test is one that measures what it is supposed to measure.
A)TRUE
B)FALSE
6

A correlation coefficient of +.46 indicates a stronger relationship than a coefficient of -.56.
A)TRUE
B)FALSE
7

Causal inferences are problematic when based only on correlational evidence.
A)TRUE
B)FALSE
8

A correlation of .05 between scores on two measures designed to assess the same construct would indicate good convergent validity.
A)TRUE
B)FALSE
9

Researchers frequently use self-report scales to measure people’s attitudes and preferences.
A)TRUE
B)FALSE
10

Test-retest reliability refers to how consistently all items on a questionnaire measure the same construct.
A)TRUE
B)FALSE
11

A probability sample is when individuals are probably available and willing to respond to a survey.
A)TRUE
B)FALSE
12

Scores on two questionnaires designed to measure different constructs should demonstrate a low correlation.
A)TRUE
B)FALSE
13

A potential problem with the successive independent samples design is noncomparable samples.
A)TRUE
B)FALSE
14

Selection bias occurs when people selected for a sample fail to complete a survey.
A)TRUE
B)FALSE
15

A spurious relationship occurs when a third variable explains the relationship between two correlated variables.
A)TRUE
B)FALSE





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