Of the following research methods, select the one that studies the same subjects over a period of time, observing whether their responses remain the same or change in systematic ways?

Science constrains beliefs by discovering

(a) error (b) new theories (c) new scientific methods (d) hypotheses (e) experiments

There are two types of short-term memory: one type is involved in the input and storage of new information, the other type of short-term memory is known as

a. selective memory. b. retrieval memory. c. working memory. d. divided memory.