Statistics & Research Methods [NTA-NET (UGC-NET) Psychology (04)]: Questions 19 - 20 of 318

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Question 19

Question MCQ▾

The Acme Scale of Aggression has a + 0.10 correlation with four other standardized aggression scales. Also, a correlation of + 1.00 exists between the scores of any student who takes the Acme Scale of Aggression twice. This indicates that the Acme Scale of Aggression has

Choices

Choice (4)Response

a.

low face validity but high reliability

b.

low internal validity but high external validity

c.

low concurrent validity but high reliability

d.

high content validity but low reliability

Edit

Question 20

Question MCQ▾

A researcher wants to consider the effects of preparation on standardized test scores. She plans to compare the GRE scores of students who did and did not take a preparation course for the GRE. She also plans to compare the GRE scores of students who took preparation courses though Company X, Company Y, and Company Z.

The researchers found that students who took a preparation course with Companies X and Y scored higher on the GRE than students who did not prepare. But students who took a preparation course with Company Z scored no higher on average than students who did not take a preparation course. These results are an example of

A negative correlation

Choices

Choice (4)Response

a.

a flat effect

b.

a main effect

c.

an interaction effect

d.

a zero correlation

Edit