Which of the Following Is Being Measured If a Subject

question 201

Multiple Choice

Which of the following is being measured if a subject is presented with a series of light bulb pairs of different wattages and is asked whether the members of each pair differ in brightness?

• A)subject's visual acuity
• B)subject's absolute threshold for brightness
• C)subject's just noticeable difference for brightness
• D)physical intensity difference between the two lights

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Definitions:

Mental Processes

Internal cognitive operations that include thinking, perceiving, and decision-making.

External Environment

All outside factors and influences that impact the operation and performance of an entity, including social, technological, economic, environmental, and political factors.

Physical Stimuli

External factors or changes in the environment that can produce a physical response in an organism.

Psychological Laboratory

A controlled environment where experiments are conducted to study various aspects of human behavior and mental processes.