A researcher records how long in seconds it takes a group of participants to recall a list of words with low and high levels of distraction. What is the operational definition for memory in this example?

Which of the following did the authors mention as things that could have been

added to the list of characteristics of appropriateness? (a) the ability to delay gratification in the service of long term goals (b) a sense of humor (c) personal hygiene (d) all of the above (e) none of the above; the list was considered by the authors to be complete

Dr. Lamping wants to know how often children behave aggressively. So, he goes to a playground and records what he sees. Dr. Lamping used the technique known as

A) cross-sectional observation. B) structured observation. C) random observation. D) naturalistic observation.