Infants who are deprived of normal physical and social contact and who grow slowly even if they are fed an adequate diet may have a condition known as

Which of the following is a practical self-control method that involves sitting still and quietly focusing on some external object or on a repetitive internal stimulus, such as your own breathing or humming?

a. self-hypnosis b. mindfulness meditation c. concentrative meditation d. sensory deprivation

When researchers try to induce mild, temporary depression in participants, they often have the participants recite depressing statements

This strategy is often successful, but in some cases these people act differently than truly depressed people. From this, we might conclude that in some cases this technique shows low levels of a. construct validity. b. external validity. c. divergent validity. d. convergent validity.