A Researcher Finds That Men Make More Errors on a Memory

question 40

Multiple Choice

A researcher finds that men make more errors on a memory task than do women. After conducting the appropriate statistical test on this difference, he finds a probability level of less than .05. The researcher will probably conclude that

• A) the difference represents a chance fluctuation.
• B) the difference is statistically significant.
• C) if he conducts the study again, there is a high probability that no difference would be found or that women would make more errors.
• D) there is only a five in 100 chance that his finding represents a real difference between men and women.

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Definitions:

Synaptic Knob

The small, bulbous structure at the end of a neuron's axon that releases neurotransmitters to transmit signals to another neuron.

Synaptic Vesicles

Membrane-bound sacs within a neuron that contain neurotransmitters, which are released into the synaptic cleft to transmit signals to other neurons.

Synaptic Vesicles

Membrane-bound sacs in the nerve synapse that store neurotransmitters released during synaptic transmission.

Neurotransmitter

Chemicals in the brain that transmit signals from one neuron to another, playing key roles in mood, thought, and behavior.