Kenny Performed an Experiment on the Effects of After-School Educational

question 30

Multiple Choice

Kenny performed an experiment on the effects of after-school educational activities on students' academic performance.His experimental group involved after-school educational activities and his control group involved after-school non-educational activities.The children in the control group felt left out and gave up on the experiment.Which source of internal invalidity is reflected?

• A)instrumentation
• B)testing
• C)statistical regression
• D)demoralization
• E)history

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Definitions:

Coordinated Manner

A methodical approach where efforts and processes are systematically aligned and harmonized to achieve a specific goal.

Functional Structure

An organizational design where the company is divided into departments based on specialized functions, such as marketing, finance, and production.

Top Management

The highest level of managers within an organization, responsible for strategic decisions and overall direction.

Marketing

Entails the activities, processes, and strategies for promoting, selling, and distributing a product or service, including market research, advertising, and sales.