Dr Green Is Interested in Conducting a 2 × 2

question 30

Multiple Choice

Dr. Green is interested in conducting a 2 × 2 × 3 within-group factorial design, with 20 participants in each cell. How many participants does she need overall?

• A)20
• B)40
• C)80
• D)240

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Definitions:

Observational Method

A technique in research where behavior is observed and recorded in a natural setting without intervention.

Systematic Observation

Observations of one or more specific variables, usually made in a precisely defined setting.

Behavioral Codes

Behavioral codes are predefined criteria used to systematically categorize and record behaviors in observational research.

Systematic Observation

A structured method of data collection where researchers consistently observe and record behavior according to a set of predefined criteria.