Individual difference variables that are expected to vary over a period of time are called ________, while variables that are not expected to vary over time are called _________.

states; traits

measured variables; conceptual variables

moving variables; stable variables

traits; states

Flag this QuestionQuestion 132pts An operational definition

explains how a conceptual variable is to be measured

expresses a behavior in terms of a mathematical formula

describes the causes of a behavior

tests a relationship between measured variables

Flag this QuestionQuestion 142pts Why are Likert scales written so that on some of the responses, agreeing with the items means the person has the variable being measured, whereas on other responses, agreeing with the item means that the person does not have the variable being measured?

So that there is variety in the questions

To reduce the influence of self-promotion

To reduce the influence of guessing the hypothesis

To reduce the influence of acquiescent responding

Flag this QuestionQuestion 152pts Here is a distribution of scores from a measure of depression: 3, 7, 9, 9, 9, 11, 13, 20, 27, 30. In this sample the range is _________ and the mode is____________.

3; 30

27; 11

27; 9

30; 3

Flag this QuestionQuestion 162pts A Type 1 error occurs when

we retain the null hypothesis when it is false

we retain the null hypothesis when it is true

we reject the null hypothesis when it is true

we reject the null hypothesis when it is false

Flag this QuestionQuestion 172pts A researcher indicates the experimental condition of an experiment using the number 1 and the control condition using the number 2. What kind of variable is being used?

Qualitative

Conceptual

Nominal

Quantitative