When the same questionnaire is scored for opinions on two or more topics, a threat to internal validity may exist because:
A) respondents may psych out the researcher's hypothesis
B) the questionnaire becomes too long
C) some items may be similar to other items
D) reliability of both scores is likely to be reduced

Question

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The Answer of When the same questionnaire is scored for opinions on two or more topics, a threat to internal validity may exist because:
A) respondents may psych out the researcher's hypothesis
B) the questionnaire becomes too long
C) some items may be similar to other items
D) reliability of both scores is likely to be reduced

When the Same Questionnaire Is Scored for Opinions on Two