In the mid-1800s, the French physician Moreau de Tours published a book focusing on the behavioral effects of what substance?

Talia is looking for her cat by methodically searching each room and then closing the door. She is using what type of problem solving strategy?

a. an algorithm b. a heuristic c. a means-end strategy d. a hunch e. a mental set

Researchers use a complicated statistical technique called factor analysis to

A) evaluate a child's behavior during an intelligence test. B) identify children who may be at-risk for serious learning problems. C) identify which sets of intelligence test items cluster together. D) determine which sets of intelligence test items are culturally biased.