Exhibit 11-4

question 55

Multiple Choice

Exhibit 11-4.Identify the major threat to internal validity in the following research studies.
-Refer to Exhibit 11-4.A teacher researcher randomly assigned students within a classroom to two groups, one of which received some special instructional materials to take home with them to study and to use with homework assignments.The C group did not get the special materials.The researcher was surprised to find that there weren't significant differences between the two groups on achievement tests and other selected measures.

• A) Regression
• B) Diffusion
• C) Mortality
• D) Selection
• E) History

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Definitions:

Transference

A psychological phenomenon in which an individual redirects emotions and feelings, often unconsciously, from one person to another, particularly in the context of therapy.

Irrational

Referring to thoughts, actions, or behaviors not based on logical reasoning or rationality.

Self-centered

Describes an individual who is overly focused on their own feelings, needs, or interests, often at the expense of others.

Self-doubt

The feeling of uncertainty about one's abilities, decisions, or worth.