Surprisingly, in Light of the Enthusiasm with Which the Concept

question 29

Multiple Choice

Surprisingly, in light of the enthusiasm with which the concept of intervention has been embraced,

• A)there is little evidence of its effectiveness.
• B)it is all too often over-utilized, reducing its effectiveness.
• C)most professionals are well trained in such procedures, but have little time to help organize and coordinate the intervention process.
• D)it appears to work only with older persons.

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Definitions:

Weber's Constant

A principle in psychophysics stating that the smallest perceptible change in a stimulus is proportional to the original intensity of the stimulus.

Light

A form of electromagnetic radiation visible to the human eye, responsible for the sense of sight.

Absolute Threshold

The minimum stimulus intensity that an organism can detect at least 50% of the time.

Subliminal Stimulation

Sensory stimulation below a person’s absolute threshold for conscious perception.