Which of the Following Is the Best Description of a Double-Blind

question 35

Multiple Choice

Which of the following is the best description of a double-blind experiment?

• A) an experiment in which both the investigators and the subjects are hidden from the others' views
• B) an experiment in which neither the investigators nor the subjects know the others' names
• C) an experiment in which neither the investigators nor the subjects know how the treatments have been assigned
• D) an experiment in which the subjects are blindfolded so they cannot see which treatment is applied to them

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Definitions:

Sexual Behaviors

Actions that are related to or involve sexual intercourse, sexual attraction, or sexual activities.

Heritability

A statistical estimate of the proportion of the total variance in some trait that is attributable to genetic differences among individuals within a group.

Identical Twins

Twins who develop from a single fertilized egg that splits and forms two embryos, sharing 100% of their genetic material.

Fraternal Twins

Twins that develop from two different eggs fertilized by two different sperm, making them genetically unique from each other.