Vincente Intends to Examine Differences Between Three Groups of District

question 28

Multiple Choice

Vincente intends to examine differences between three groups of district curriculum coordinators that received either no formal training, a web-based training, or a cooperative group experience as instruction for the core standards. He tested participants' knowledge of the standards both before treatment and then after treatment. Given his design, which of the following analysis should Vincente conduct?

• A) The t test for independent samples
• B) The t test for nonindependent samples
• C) ANCOVA
• D) ANOVA

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Definitions:

Knowledge Power

The influence and control gained through the possession or access to information and expertise.

Expert Power

The influence and authority someone holds as a result of their expertise, skills, or knowledge in a specific area.

Unbiased Way

An approach or method that is fair and impartial, not favoring one side or outcome over another, often important in research, reporting, and decision-making processes.

Coercive Power

The ability to compel or force someone to do something through threats or pressure.