Based on the Results of Hart and Risley's 1995 Study

question 25

Essay

Based on the results of Hart and Risley's 1995 study about the number of words children hear on average per hour, describe the ideal conditions for a child's vocabulary and linguistic development and why that matters.

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Definitions:

Absolute Threshold

The minimum intensity of stimulation required to produce a sensory experience or for a stimulus to be detected 50% of the time.

Just Noticeable Difference

The minimum amount by which stimulus intensity must be changed in order to produce a noticeable variation in sensory experience.

Action Potentials

Quick electrical impulses that travel down the axon of a neuron, triggering the release of neurotransmitters at synapses.

Proximal Stimulation

Proximal stimulation refers to the sensory information received directly from stimuli that are in close proximity to the sensory receptors.