DrKnowles Wants to Assess the Effectiveness of Ritalin,a Drug Used

question 59

Multiple Choice

Dr.Knowles wants to assess the effectiveness of Ritalin,a drug used to treat hyperactivity and inattention.At the beginning of the school year,he administers a test of cognitive skills to two groups of children who are on the medication: third-graders and fifth-graders.He retests both groups at the end of the first semester and at the end of the school year.Dr.Knowles is using a __________ design.

• A)sequential
• B)cross-sectional
• C)longitudinal
• D)time-sampling

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Definitions:

Alcohol

An organic compound that is the intoxicating ingredient found in beer, wine, and spirits, affecting the central nervous system.

Prejudiced

Holding preconceived opinions or judgments without sufficient knowledge or examination.

Intrinsic Motivation

The internal desire to perform a task for its own sake because it is interesting or enjoyable, without relying on external rewards or pressures.

Prejudice

Preconceived opinion or bias against an individual or group without sufficient knowledge, thought, or reason.