A Cognitive Psychologist Wants to Do an Experiment Testing the Memory

question 31

Multiple Choice

A cognitive psychologist wants to do an experiment testing the memory of elderly people.She has the following constraints: only 12 people available as possible participants and the independent variable she is manipulating requires the use of separate groups for each condition.The psychologist has a reliable and valid pretest she plans to use.Which design is this psychologist likely to use?

• A)matched groups design
• B)natural groups design
• C)random groups design
• D)placebo control design

---

Definitions:

Break Even

The point at which total revenues equal total costs, resulting in neither profit nor loss.

Variable Costs

Costs that change in proportion to the level of activity or volume of production in a business.

Capacity Alternatives

Different options or strategies a business may consider to adjust or increase its capacity to meet demand.

Market Acceptance

The degree to which a new product, service, or business model is embraced by potential customers and the market at large.