For the Following Question(s): a Researcher Conducts a T Test

question 39

Multiple Choice

For the following question(s) : A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff t needed is -1.833. The standard deviation of the distribution of means of change scores is 2.0 and the mean change score for the sample studied is an increase of 5.2.
-What is the effect size?

• A)5)2/-1.833 = -2.84; large
• B)2/5.2 = .38; approximately medium
• C)5)2/2 = 2.60; large
• D)It cannot be determined without also knowing the population standard deviation

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Definitions:

Social Cause

A broad issue or movement that exists within society aimed at implementing change or achieving a specific outcome benefiting the public.

Rationale

The underlying reason or logic behind a decision, action, or belief.

Social Distance

The physical or psychological space between individuals or groups, which can affect their interaction and perception of intimacy or connectedness.

Social Empathy

The ability to understand and share the feelings of others within a social context.