The Use of Pretests in an Experimental Evaluation May Introduce

question 25

Multiple Choice

The use of pretests in an experimental evaluation may introduce the internal validity threat of

• A) regression to the mean.
• B) history.
• C) maturation.
• D) testing.

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Definitions:

Y Chromosome

The sex chromosome found in mammals, including humans, typically present in males, who possess one X and one Y chromosome, influencing the development of male sexual characteristics.

Dizygotic Twins

Also known as fraternal twins, these siblings are born from two different eggs fertilized by two different sperm cells, sharing about 50% of their genes.

Identical

Having the exact same genetic makeup or being exactly alike in every detail.

Genetically Similar

Refers to organisms or entities that share a high degree of genetic material or DNA sequences with each other.