You hypothesize that lack of sleep impairs cognitive ability. In order to test your hypothesis, you will have to determine how to define and measure ‘lack of sleep' and ‘cognitive ability'. This is another way of saying that you will have to:

Which of the following is not part of the dispositional domain of knowledge?

A) using statistical methods to identify fundamental traits B) identifying the number of fundamental traits C) the lexical strategy D) theorizing about unconscious processes

In a study that is mentioned in the textbook, scuba divers learned lists of words while they were either on a beach or under water. When tested for retention of those words, the divers did better recalling the words learned if they did so while they were

a. under water. b. on the beach. c. under water, when the words had been learned under water. d. under water, even when the words had been learned on the beach.