Dr Haller Is Conducting an Experiment Related to Vision

question 517

Multiple Choice

Dr. Haller is conducting an experiment related to vision. He places his subjects in a dark room and after they have acclimated, he presents them with visual stimuli of varying strengths and attempts to determine the minimal amount of light that people can detect. Dr. Haller is specifically trying to determine a(n)

• A)difference threshold
• B)absolute threshold
• C)minimum threshold
• D)maximum threshold

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Definitions:

Best Evidence Rule

The legal rule that holds that the courts generally accept into evidence only the original of a writing, not a copy.

Photocopy

A reproduction of a document or image created by a machine that uses light to produce an exact copy on paper.

Oral Statements

Spoken words or verbal expressions used in communication, lacking a written or tangible form, which may have legal significance in contracts or testimony.

Best Evidence Rule

A legal principle requiring the original document or primary evidence to be presented in court when its contents are disputed.