Igor Wanted to Do an Experiment Testing the Effects of a New

question 8

Multiple Choice

Igor wanted to do an experiment testing the effects of a new classroom strategy for teaching reading on the reading skills of elementary school students.He used random assignment and wanted to make sure that neither the subjects nor the experimenters knew which was the experimental group and which was the control group.It would be best to use the

• A)ex post facto design.
• B)static-group comparison.
• C)one-group pretest-posttest design.
• D)double-blind design.
• E)Solomon 4-group design

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Definitions:

Demonstrating Behaviors

The act of showing or exemplifying specific actions or behaviors in order to teach, persuade, or model them to others.

Particular Situation

A specific set of circumstances or context in which events occur or decisions are made.

Family Background

The social, economic, cultural, and educational context from which an individual comes, influencing their development and opportunities.

Beliefs

Refers to the convictions or acceptances that something is true or exists, often without proof.