PSY 120 Purdue Exam #1 questions
well answered graded A+
scientific study of behavior and mind - correct answer ✔✔ What is psychology?
diagnose and treat psychological problems
ex: depression, anxiety, etc,
work in clinics or practices, - correct answer ✔✔ Clinical psychologist
extend principles of scientific psychology to practical problems - correct answer ✔✔ applied
psychologist
conduct basic research to discover the principles of behavior and mind - correct answer ✔✔
research psychologist
average of a set of scores - correct answer ✔✔ mean
middle point in set of scores - correct answer ✔✔ median
most frequently occurring score - correct answer ✔✔ mode
top score - bottom score - correct answer ✔✔ range
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 - correct answer ✔✔ confounding variable
, behavior that is measured in an experiment
ex: how much aggression someone has after they watch something - correct answer ✔✔
dependent 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 - correct answer ✔✔ independent
variable
inactive substance that resembles an experimental substance
ex: they give people a fake drug in an experiment - correct answer ✔✔ placebo
stats that indicate whether two variables vary together in a systematic way, from +1.00 to -1.00
- correct answer ✔✔ correlational 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) - correct
answer ✔✔ experimental research
used when people cannot be randomly assigned to experimental groups
(bad because you don't know what had manipulation on DV) - correct answer ✔✔ quasi-
experimental research
procedures used in a study to get at (measure) variables
ex: intelligence as how well you do on a test - correct answer ✔✔ operational definition
created by the presence of electrically charged atoms and molecules called ions
well answered graded A+
scientific study of behavior and mind - correct answer ✔✔ What is psychology?
diagnose and treat psychological problems
ex: depression, anxiety, etc,
work in clinics or practices, - correct answer ✔✔ Clinical psychologist
extend principles of scientific psychology to practical problems - correct answer ✔✔ applied
psychologist
conduct basic research to discover the principles of behavior and mind - correct answer ✔✔
research psychologist
average of a set of scores - correct answer ✔✔ mean
middle point in set of scores - correct answer ✔✔ median
most frequently occurring score - correct answer ✔✔ mode
top score - bottom score - correct answer ✔✔ range
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 - correct answer ✔✔ confounding variable
, behavior that is measured in an experiment
ex: how much aggression someone has after they watch something - correct answer ✔✔
dependent 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 - correct answer ✔✔ independent
variable
inactive substance that resembles an experimental substance
ex: they give people a fake drug in an experiment - correct answer ✔✔ placebo
stats that indicate whether two variables vary together in a systematic way, from +1.00 to -1.00
- correct answer ✔✔ correlational 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) - correct
answer ✔✔ experimental research
used when people cannot be randomly assigned to experimental groups
(bad because you don't know what had manipulation on DV) - correct answer ✔✔ quasi-
experimental research
procedures used in a study to get at (measure) variables
ex: intelligence as how well you do on a test - correct answer ✔✔ operational definition
created by the presence of electrically charged atoms and molecules called ions
