The First Report of Solvent Abuse Was in

question 4

Multiple Choice

The first report of solvent abuse was in .

• A) 1860
• B) 1922
• C) 1951
• D) 1973

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Definitions:

Solomon Four-Group Design

Experimental design in which the experimental and control groups are studied with and without a pretest.

External Validity

The extent to which the results of a study can be generalized or applied to other settings, populations, or situations.

Independent Variables

Variables in an experiment that are manipulated by the researcher to observe their effect on the dependent variables.

Conceptual Replications

Repeating a study with different methods or under different conditions to verify the findings of the original study.