During the Course of Her Experiment, Yolanda Learned That 7

question 18

Multiple Choice

During the course of her experiment, Yolanda learned that 7 of the 12 clients in her new 4-hour session had quit and walked out of the session before it was completed. What threat to internal validity does her experiment have?

• A) experimental mortality
• B) history effect
• C) selection bias
• D) maturation

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Definitions:

Data Collected

The process of gathering and measuring information on targeted variables to answer relevant questions and evaluate outcomes.

Direct Materials Price Variance

The difference between the actual cost of direct materials used in production and the standard cost, multiplied by the actual quantity of materials used.

Flexible Budget

A flexible budget adjusts expenses based on changes in actual revenue or other activities, allowing for more accurate budgeting and variance analysis.

Variable Costs

Expenses that vary in direct proportion to changes in activity levels or volumes, such as raw materials and direct labor costs.