Mr Marshall's First Two Science Classes Were Devoted to Demonstrating

question 68

Multiple Choice

Mr. Marshall's first two science classes were devoted to demonstrating and explaining rules and procedures in the laboratory. According to principles of effective classroom management, this procedure will probably result in

• A) loss of student interest and involvement in the subject.
• B) poor understanding of the course material.
• C) rushing through much material to make up the lost time.
• D) time gained over the course of the school year for learning activities.

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Definitions:

Main Effect

The direct impact of an independent variable on a dependent variable in an experiment.

Factorial Research

A type of experimental design where two or more factors (independent variables) are simultaneously varied to observe their effect on a dependent variable.

Independent Variables

Variables in a study that are manipulated or categorized to investigate their effect on dependent variables.

Dependent Variable

The outcome variable that researchers study, measuring its changes as affected by other variables.