The Mean Scores of Two Groups Participating in a Study

question 15

Multiple Choice

The mean scores of two groups participating in a study are exactly the same for a particular variable. This suggests that the:

• A) average score is the same, but distribution of scores for each group are not known.
• B) distribution and range of scores will be similar.
• C) groups are definitely heterogeneous in relation to this variable.
• D) groups are very much alike in relation to the variable.

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Definitions:

Circulatory Diseases

A category of diseases that affect the circulation of blood, including conditions like coronary artery disease, hypertension, and stroke.

Structural Model

An abstract representation showing the relationships between parts of a system, such as variables in a theory or components in a machine.

Negative Symptoms

In the context of psychiatry, symptoms that represent a reduction or loss of functions, such as blunted affect or social withdrawal.

Tardive Dyskinesia

A serious and often irreversible side effect of certain antipsychotic medications, characterized by repetitive, involuntary movements.