In an Experiment to Study the Effectiveness of Three Different

question 21

Multiple Choice

In an experiment to study the effectiveness of three different teaching programmes on children's achievement in mathematics, what might not be an appropriate covariate?

• A) IQ
• B) Mathematical aptitude
• C) Age
• D) Height*

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Definitions:

Order/Symmetry

The desire or compulsion to arrange objects in a precise, orderly, or symmetrical manner, often observed in individuals with obsessive-compulsive disorder.

OCD

Obsessive-Compulsive Disorder (OCD) is characterized by the presence of persistent thoughts (obsessions) and repetitive behaviors (compulsions) that an individual feels compelled to perform.

Exposure

The state of being exposed to something (such as an infectious agent, a toxin, or stress) which may have effects on health or behavior.

Ritual Prevention

Intentionally refraining from maladaptive coping patterns. By doing so, the patient gradually and with repeated exposures experiences anxiety climb, peak, and then subsidence.