A Researcher Is Examining the Relation Between Two Variables Variable

question 168

Multiple Choice

A researcher is examining the relation between two variables variable X and variable Y. If she is conducting a correlational study, the researcher ____________ variable X and ____________ variable Y.

• A)manipulates; manipulates
• B)manipulates; measures
• C)measures; manipulates
• D)measures; measures

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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.