Dr Ruiz Was Asked to Consult on a Research Project

question 75

Multiple Choice

Dr. Ruiz was asked to consult on a research project. She recommended to the researchers that they randomly assign all of their research participants to help reduce errors related to individual differences, as well as randomly assign the order of administered interventions to each group of 30 participants. Dr. Ruiz is recommending a practice commonly referred to as _____, which helps to reduce order effects.

• A) practice effects
• B) counterbalancing
• C) carryover effects
• D) random assignment

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Definitions:

Return on Investment

A measure of the profitability and efficiency of an investment, calculated by dividing the net profit from the investment by its original cost.

Average Assets

The mean value of a company’s assets over a given time frame, often used in financial analysis to assess asset utilization efficiency.

Full Cost

The total cost of producing a product or service, including all direct, indirect, fixed, and variable costs.

Price-Fixing Contracts

Agreements between competitors to set prices at a certain level, which is illegal in many jurisdictions because it undermines free market competition.