Internal Validity Deals with the Question - Could Something Besides

question 63

True/False

Internal validity deals with the question - could something besides the training program have caused the observed change to occur.

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Definitions:

Neurotransmitter

Chemical messengers that transmit signals across a chemical synapse from one neuron (nerve cell) to another 'target' neuron, muscle cell, or gland cell.

Receptor Site

A specific location on a cell membrane or within a cell where molecules such as hormones, neurotransmitters, or drugs can bind to elicit a physiological response.

Excitatory

Referring to signals or substances that increase the likelihood of a neuron firing an action potential.

Inhibitory

Referring to processes that decrease the likelihood of a neuron firing or an action being taken, often used in the context of neural pathways.