A Correlation Matrix Must Always Have 1's Along Its Diagonal

question 2

True/False

A correlation matrix must always have 1's along its diagonal (because a variable is always perfectly correlated with itself)and the correlations between variables elsewhere.

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Definitions:

Sensitization

The process of becoming more receptive or sensitive to a stimulus after repeated exposure to it.

Distal Stimuli

Objects and events in the external world that provide sensory input, as opposed to the sensory signals (proximal stimuli) actually perceived by the senses.

Psychophysics

The branch of psychology that deals with the relationships between physical stimuli and sensory perceptions and responses.

Discriminated Stimuli

Stimuli in operant conditioning that signal when a particular response will lead to a certain outcome.