Variables Related to ________ Are Potential Threats to the Internal

question 62

Multiple Choice

Variables related to ________ are potential threats to the internal validity of every study.

• A) time between treatments
• B) pretest sensitization
• C) fatigue and practice
• D) the environment of the study

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Definitions:

Receptor

A protein molecule that receives and responds to chemical signals, such as hormones or neurotransmitters, affecting cell function.

Axon

A slim, elongated extension of a neuron that generally transmits electrical signals away from the cell body of the nerve cell.

Soma

In biology, the body of an organism as distinct from its reproductive cells; in psychology, it represents the body as perceived from within.

Depolarization

A reduction in the difference in electric charge across a cell membrane, leading to the activation of nerve or muscle cells.