Psych Quiz 2 Flashcards
Conceptual variable
the thing you want to measure (anxiety and love)
Measure variable
variable that represents the conceptual variable (Measure love with oxytocin)
Population
group you hope to learn something about
Sample
Section of the population tested
Experimental group
group(s) that received the manipulation
Control group
group that does not receive the manipulation
Independent Variable
thing that is manipulated (Changing in the environment)
Dependent Variable
thing that is being measured
Confound
Anything other than the independent variable that causes a difference between the groups
Placebo Effect
change in behavior due to subjects’ expectations (Change behavior and will cause you to do bad)
Placebo
a fake testing condition, so people THINK they are getting a treatment, but really are not. (debrief at the end)
Blind
participant is unaware of the group they’re in
Double blind
administering researcher is also blind to the condition/ group
Expectancy effect
unintentional bias from knowledge
Random assignment
randomly sorting participants into groups
Reliability
consistency of measurement (magic 8 ball)
Validity
extent to which what’s measures is what was supposed to be measured (Ruler will not work to measure someone’s weight)
Internal validity
does your experiment measure what you think it does? (Was it done correctly?)
External validity
how well can you generalize your findings beyond your sample/ experiment?
Observational
watching behavior, often in real world setting (Does not manipulate anything, Records naturally occurring behavior,
Includes naturalistic observations)
Correlational
examines the extent to which two variables are associated (Also does not manipulate anything, observes how two variables are related in the world)
Experimental
randomly assigns participants to different groups and manipulates an independent variable (Can make conclusions about the cause of the results)
