PSY 120 Purdue Exam Questions and Answers 100% Solved

PSY 120 Purdue Exam Questions and Answers 100% Solved What is psychology? scientific study of behavior and mind Clinical psychologist diagnose and treat psychological problems ex: depression, anxiety, etc, work in clinics or practices, applied psychologist extend principles of scientific psychology to practical problems research psychologist conduct basic research to discover the principles of behavior and mind mean average of a set of scores median middle point in set of scores mode most frequently occurring score range top score - bottom score confounding variable uncontrolled variable that changes along with the independent variable, ex: giving an ad to people, must give them same exact ad, time to read it, time of day, etc, in order to have NO confounding variables dependent variable behavior that is measured in an experiment ex: how much aggression someone has after they watch something independent variable aspect of the environment that is manipulated in an experiment, must consist of two conditions ex: the level of violence in the thing the person watches placebo inactive substance that resembles an experimental substance ex: they give people a fake drug in an experiment correlational research stats that indicate whether two variables vary together in a systematic way, from +1.00 to -1.00 experimental research technique in which the investigator manipulated the environment to observe its effect on the behavior ex: change of external (temperature), internal (mood), or social (presence of someone)