Participants for a Treatment Group Are Chosen Because They Score

question 43

Multiple Choice

Participants for a treatment group are chosen because they score very low on a pretest measure of performance.When their performance improves on the posttest,the researcher

• A) should consider the possibility that statistical regression influenced posttest scores.
• B) can rule out testing and instrumentation threats to internal validity.
• C) can be confident that the treatment was effective.
• D) must conclude that additive effects with selection are responsible for the outcome.

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Definitions:

Containers Refurbished

The process of cleaning, repairing, and restoring used containers to a condition suitable for reuse, often as a cost-saving or environmental sustainability measure.

Spending Variance

The difference between the actual amount of money spent and the expected (or budgeted) amount during a certain period, usually analyzed for cost control purposes.

Budgeting

The process of creating a plan to spend your money, enabling you to determine in advance whether you will have enough money to do the things you need or want to do.

Planning Budget

A financial plan that estimates future revenues, expenses, and resource needs for a specific period.