Learning that occurs not as a result of a purposeful attempt but as a by-product of performing a task is ___________ learning

Those who underreport their physical symptoms to health care professionals are

a. likely to be extroverts b. known as "hypochondriacs" c. self-conscious people d. self-healing personalities

The sleep/wake cycle is designed to

a. conserve energy b. save electricity c. function with daylight savings time d. all of the above