Using Pretests to Organize Groups Can Be Problematic Because Scores

question 26

Multiple Choice

Using pretests to organize groups can be problematic because scores on posttest measures may be affected not (just) by the treatment but by ______.

• A) history effects
• B) regression to the mean
• C) nonequivalent groups
• D) individual differences

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Definitions:

Stare Decisis

The legal principle of determining points in litigation according to precedent or previous judicial decisions.

Common Law

A body of legal precedents derived from judicial decisions, as opposed to statutes or constitutions.

Erroneous Decisions

Mistaken or incorrect judgments made by individuals or bodies in positions of authority.

Civil Law System

A legal system originating in Europe, characterized by comprehensive statutes and codes as the primary sources of law.