Data Set 1-2: Lucy classified the personality of the 33 participants in her study as extraverts or introverts using the Myer-Briggs Type Indicator. All the participants took the Snyder Personal Reaction Inventory (SPRI), which measures the degree to which a person expresses feelings toward others. Scores on the SPRI range from 10-100.
-In Data Set 1-2, the number of levels of the independent variable is
A) 33
B) 10 to 100
C) 4
D) 2.

Question

Quizplus · Accepted Answer

The independent variable is the classification of personality as either extravert or introvert, which has two levels.

Data Set 1-2: Lucy Classified the Personality of the 33