A Procedure Used to Hide the Group Assignment from the Participants

question 33

Multiple Choice

A procedure used to hide the group assignment from the participants in a study to prevent their beliefs about the effectiveness of a treatment from affecting the results is ______.

• A) double-blind design
• B) tri-blind design
• C) multi-blind design
• D) single-blind design

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Definitions:

Easy Entry And Exit

A characteristic of competitive markets where there are minimal barriers for new firms to enter or exit the market.

Perfect Competition

A theoretical market structure that features no barriers to entry, a large number of sellers and buyers, completely homogenous products, and perfect information available to all market participants.

Chronic Excess Capacity

A situation where industries consistently operate below their full output capacity due to prolonged demand shortfall.

Monopolistic Competition

A market structure characterized by many firms selling products that are similar but not identical, allowing for competition based on price, quality, and marketing.