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:

Funds Flow

The movement of money into and out of an organization, project, or financial product, typically analyzed for assessing financial health.

Excise Tax

A tax on the sale or use of specific products or transactions.

Excise Tax

A tax levied on specific goods or activities, such as alcohol, tobacco, and gasoline, often intended to discourage their use or to raise revenue.

Sales Tax

A tax imposed by governments on the sale of goods and services, adding on to the purchase price paid by consumers.