Changes in Outcome Scores During Experiments That Involve a Lengthy

question 33

Multiple Choice

Changes in outcome scores during experiments that involve a lengthy treatment period may result from ______.

• A)history effect
• B)maturation
• C)instrumentation
• D)regression effect

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Definitions:

Dietary Therapy

The use of diet and nutritional intake as a means to prevent or treat disease and enhance health.

Canalized

Refers to a trait that follows a strictly defined path, regardless of most environmental and genetic variations.

Environmental Changes

Alterations in the surrounding conditions, whether natural or man-made, that can impact ecosystems and human societies.

Amniocentesis

A medical procedure used in prenatal diagnosis of chromosomal abnormalities and fetal infections, where a small amount of amniotic fluid is sampled from the amniotic sac surrounding a developing fetus.