Dr Allen Forms the Hypothesis That Students Will Score Higher

question 20

Multiple Choice

Dr. Allen forms the hypothesis that students will score higher on take-home exams than they will on in-class exams. In this experiment, what is the best way to divide the participants into groups?

• A) Have the participants choose which type of exam they want to take.
• B) How the groups are formed doesn't matter.
• C) Have all males in one group and all females in the other.
• D) Use random assignment.

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Definitions:

Monozygotic Twins

Identical twins that result from one fertilized egg splitting into two, sharing exactly the same genetic material.

Genetically Identical

Refers to organisms, cells, or molecules that have the exact same DNA sequence.

Teratogen

An agent or factor that causes malformation of an embryo or fetus.

Intellectual Disability

A condition characterized by significant limitations in both intellectual functioning and in adaptive behavior, which covers many everyday social and practical skills.