Which of the Following Is a Threat to the Internal

question 21

Multiple Choice

Which of the following is a threat to the internal validity of experiment using a repeated measures design?

• A)instrumentation effect
• B)redundancy effect
• C)cohort effect
• D)attrition effect

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Definitions:

Reproductive Decisions

Choices and judgements made by individuals or couples regarding childbirth, the use of reproductive technologies, and other matters concerning reproduction.

Moral Obligation

A duty or commitment to act in ways considered ethical and right, often irrespective of legal obligations.

Genetically Considered

Taking into account genetic factors or information in evaluation or decision-making processes.

Embryonic Stem Cells

Cells derived from an embryo that have the potential to develop into many different types of cells in the body, used for research and potential treatments.