A Teacher Is Trying to See If Smiling at Her

question 104

Multiple Choice

A teacher is trying to see if smiling at her students will increase the number of questions they ask.In the first and third weeks of the study,the number of questions students ask is recorded.In the second week,the teacher smiles at her students,and the number of questions is also recorded.What type of research design is being used?

• A)within-subjects
• B)correlational
• C)placebo control
• D)between-subjects

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Definitions:

Expected Return

The anticipated amount of profit or loss one expects from an investment over a specified period, considering all potential outcomes.

Service Cost

The portion of the cost of a pension or other post-employment benefit plan attributed to services rendered by employees in the current period.

Discounted Present Value

The process of determining the present value of a future amount of money or stream of cash flows given a specified rate of return.

Additional Year's Employment

The extension of an employee's service period by one year, often affecting benefits and pension calculations.