Professor Jones studied the effect of two types of instructions on learning either nonsense words or real words by college sophomores. Which of the following is not a variable?
A) instructions
B) type of words
C) year in school
D) they are all variables

Question

Quizplus · Accepted Answer

Year in school is not a variable in this study as it is a constant characteristic of the participants and is not being manipulated or measured in relation to the learning of words. A variable is a factor that can vary and can be manipulated or measured in a study. The other options (A, B, D) are all variables as they are being manipulated or measured in relation to the learning of words.

Professor Jones Studied the Effect of Two Types of Instructions