Don Is in an Experiment in Which the Researcher Has

question 112

Multiple Choice

Don is in an experiment in which the researcher has him hold a constant weight in one hand. The researcher varies the amount of weight in Don's other hand, and each time the weight is changed, Don has to determine whether it differs from the constant weight. Don is participating in an experiment measuring _____.

• A) absolute thresholds
• B) false alarms
• C) misses
• D) difference thresholds

---

Definitions:

Endocrine System

A collection of glands in the body that secrete hormones directly into the circulatory system to be carried towards distant target organs.

Ductless Glands

Glands that release their secretions, such as hormones, directly into the bloodstream rather than through ducts, also known as endocrine glands.

Interstitial Fluid

The fluid that surrounds the cells of tissues, providing a medium through which nutrients and wastes can exchange between blood and cells.

Anterior Pituitary

The front portion of the pituitary gland that secretes hormones influencing growth, metabolism, and reproduction.