Psychologists who study how people change as they grow older are called ______________ psychologists.

_____________ psychologists see patients in a hospital.

The __________ is composed of formulating a hypothesis, careful observations, gathering data, and analyzing the data.

To gather information about the difference in aggression between boys and girls while you are watching children play at a day care center, you are using the ____________ research method.

One research method that studies a person in-depth for some time through the use of observation, interviews, and writings is the ____________ method.

In ___________ research, people are asked a set of questions.

People are sometimes given tests to predict their future performance in school or on the job. These tests are called _____________ studies.

The __________ research method should be used if one wants to determine the cause of a behavior.

Population is to ________ as sample is to _______.

Milgram's research focused on _________.