A Researcher Wants to Determine How Many Participants Will Take

question 40

Multiple Choice

A researcher wants to determine how many participants will take less than 24 seconds to complete a cognitive performance task.If he constructs a frequency distribution for these data,what type of distribution would be most appropriate to answer his question?

• A)a simple frequency distribution
• B)a relative frequency distribution
• C)a cumulative frequency distribution from the bottom up
• D)a cumulative frequency distribution from the top down

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Definitions:

Terminal Buttons

The small bulblike structures at the end of dendrites that release neurotransmitters and facilitate communication between neurons.

Cell Membrane

A biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of cells.

All-or-None Law

A principle stating that certain physiological responses will occur to their fullest extent once a stimulus reaches a threshold, without gradation in response.

Action Potential

A sudden and temporary electrical charge that sweeps through a neuron, allowing it to transmit a signal along the nerve pathway.