Bob Is a Participant in a Study Investigating the Effectiveness

question 149

Multiple Choice

Bob is a participant in a study investigating the effectiveness of Ritalin in treating ADHD. Bob has ADHD, but is in a group that received a placebo (sugar pills) instead of Ritalin. Bob is in the _____ group.

• A)experimental
• B)random
• C)control
• D)observational

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Definitions:

Alcohol Users

Individuals who consume alcoholic beverages, either occasionally or regularly.

Nonusers

Individuals who do not use or participate in a specific service, product, or substance, in contrast to those who are active users.

Face Validity

The degree to which an assessment or test appears to measure what it is supposed to measure, based purely on superficial characteristics.

Construct Validity

Construct validity is the extent to which a test measures what it claims to be measuring, ensuring that the theoretical concept is accurately captured by the operationalization in research or testing.