Use the Following to Answer Questions

question 262

Multiple Choice

Use the following to answer questions
-(Scenario II) The purpose of placing participants into one of the two groups by a coin flip was to:

• A)eliminate the demand characteristics operating in the study.
• B)increase the external validity of the study.
• C)help ensure that the two groups were equal on all possible third variables.
• D)minimize experimenter bias.

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Definitions:

Aneuploidy

Any chromosomal aberration in which there are either extra or missing copies of certain chromosomes.

Nondisjunction

The failure of chromosome pairs to separate properly during cell division, resulting in gametes with an abnormal number of chromosomes.

Genetic Information Nondiscrimination Act

A federal law that prohibits discrimination in health coverage and employment based on genetic information.

Human Genome Project

An international scientific research project with the goal of determining the sequence of nucleotide base pairs that make up human DNA.