UHS Psychology Units 1-3A review

Statistically Significant

• Referring to differences in data sets that are larger than chance variation would predict

• A number that represents the strength and direction of a relationship existing between two variables

Outliers

• Extreme values in a set of data that may throw off the accuracy of the data set as a whole

• Referring to differences in data sets that are larger than chance variation would predict

• The square root of the average squared deviations from the mean of scores in a distribution; a measure of variability

• A number that represents the strength and direction of a relationship existing between two variables

Outlier

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Normal Distribution / Normal Curve

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The part of the neuron that receives messages from other neurons

• axon
• dendrite
• cell body
• Schwann cell

The part of the neuron that sends messages to other neurons

• axon
• dendrite
• cell body
• Schwann cell

What is the insulating membrane that surrounds parts of the axon that helps the impulses travel faster called?

• Axon
• Dendrites
• Node of Ranvier
• Myelin Sheath

What is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?

• Neurotransmitters
• Synapse
• Threshold
• Impulse

This is the gap or space between two neurons

• Dendrites
• Cell Body
• Synapse
• Axon

what is also known as a nerve cell?

• neuron
• sensory nerves
• dendrites
• toes