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In Social Work Meta-Analysis, Statistical Analysis Is Used to Learn

question 6

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In social work meta-analysis, statistical analysis is used to learn if a method or type of intervention can be considered effective in addressing some problem. In meta-analysis, a research sample is comprised of a group of:


Definitions:

External Validity

The extent to which the results of a study can be generalized to and across other situations, people, settings, and time periods.

Power Analysis

A statistical method used to determine the sample size required to detect an effect of a given size with a specific degree of confidence.

Sample Size

The number of observations or participants in a study, significant for determining the study's statistical power.

Internal Validity

The extent to which a study can demonstrate a clear cause-and-effect relationship, limiting the impact of external variables.

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