Exam 5: Variables and Hypotheses

A "variable is the same thing as a "factor.

Advantages of stating research questions as hypotheses include:

Treating a variable such as "reading achievement as a categorical variable:

In the example in question 1, the dependent variable is:

"Learning disabled children who attend public school programs will show greater increases in social competence than will comparable children who attend institutional programs. This is an example of a(n):

A categorical variable is one that varies in:

Matching -Appetite

A research report states that Group A was exposed to a new teaching method and Group B was exposed to a traditional method. At the end of a four-month period, each group was given the same achievement test. Group A had a mean score that was higher than the mean score for Group

Matching -Uncontrolled variable

Which of the following is a likely moderator variable in a study of the relationship between church attendance and political party preference?

If a variable can be treated as either quantitative or categorical, it is preferable to treat it as categorical.

In a research investigation, constants are:

Statements or predictions that are tested by collecting and analyzing objective evidence are called:

An outcome variable is most similar to a(n):

In the hypothesis, "Eleventh grade students will achieve more with teachers who are enthusiastic, which of the following is an extraneous variable?

A mediator variable is one which:

"Students taught first aid by programmed instruction will achieve at a higher level than those taught first aid by the traditional method. The independent variable in this hypothesis is:

The dependent variable is so called because: