A Researcher Wants to Compare the Performance of Three Types

question 50

Multiple Choice

A researcher wants to compare the performance of three types of pain relievers in volunteers
Suffering from arthritis. Because people of different ages may suffer arthritis of varying degrees of
Severity, the subjects are split into two groups: under 60 and over 60. Subjects in each group are
Randomly assigned to take one of the medications. Twenty minutes later they rate their levels of
Pain. This experiment …

• A) has two factors, medication and age.
• B) has one factor (medication) blocked by age.
• C) has one factor (age) blocked by medication type.
• D) uses matched pairs.
• E) is completely randomized.

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Definitions:

Restrictive Repetitive Behaviors

Actions or routines that are performed over and over, which can significantly interfere with daily functioning, commonly seen in autism spectrum disorders.

Lifespan Consideration

The assessment of individual needs and adjustments required at different stages of life.

Intellectual Abilities

The capacity to think logically, reason abstractly, understand complex ideas, and solve problems.

Sensory Sensitivity

An increased or heightened response to sensory stimuli, such as sounds, lights, or textures, which can be overwhelming or uncomfortable.