In a Psychophysical Experiment, Observers First View an Adapting Stimulus

question 151

Multiple Choice

In a psychophysical experiment, observers first view an adapting stimulus in which small dots on a computer screen all move steadily toward the right. They then view a test stimulus in which they have to determine whether a patch of dots is stationary or moving. Based on the textbook's discussion, one might predict that the adapting stimulus would:

• A)decrease observers' absolute threshold for motion detection.
• B)increase observers' absolute threshold for motion detection.
• C)have little or no effect on observers' absolute threshold for motion detection.
• D)decrease observers' difference threshold for motion detection.

---

Definitions:

Overexertion

Physical or mental strain due to excessive effort or activity, often leading to injury or fatigue.

Occupational Health and Safety

The area of public health focused on preventing workplace injuries and illnesses.

Safety Performance

The record or measurement of an organization’s ability to prevent accidents and protect workers from harm.

Hazard Analysis

The process of identifying potential hazards that could cause harm in the workplace and determining the severity and likelihood of their occurrence.