Suppose We Found Someone Whose Retina Contained Only Rods, with No

question 151

Multiple Choice

Suppose we found someone whose retina contained only rods, with no cones. What should we expect to find about this person's vision?

• A) better than average ability to perceive detail
• B) impaired perception of dim lights
• C) complete color vision deficiency
• D) difficulty perceiving visual motion

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Definitions:

Mass Survey

A research method for collecting data from a large number of respondents, typically to gather information on public opinions, behaviors, or characteristics.

Placebos

Substances with no therapeutic effect that are used as a control in testing new drugs or sometimes to produce a psychological benefit.

Sugar Pills

Placebo tablets with no therapeutic effect, often used in clinical trials to compare the effectiveness of actual drugs.

Analgesics

Medications designed to relieve pain without causing the loss of consciousness.