AP Psychology Chapter 1 Research Methods Flashcards
researching with factual information in order to arrive at a valid conclusion.
critical thinking
an educated guess concerning a specific and testable problem or question
Hypothesis
a clear statement expression how the research will be measured.
operational definition
any factor that may influence an outcome
variables
an explanation of the recorded data used to explain a phenomenon.
theory
Watching participants in their natural environment without interference from the researcher.
Naturalistic Observation
An in-depth examination of a rare phenomenon that occurred with an individual, small group, or situation.
Case Study
The administration of questionnaires or interviews; used to identify attitudes, beliefs, and opinions.
Surveys
Examining the relationship between two or more variables.
Correlational Study
Attempt to prove causation by allowing the researcher to manipulate one or more variables and measure their outcome.
Experiments
the variable that is manipulated or controlled by the experimenter.
independent variable
the measurable outcome or resulting effect of the manipulated variable.
dependent variable
variables that cannot be controlled by the researcher but may interfere with the independent variable and influence the results.
confounding variable
the group that receives the treatment.
control group
subjects who act or answer in a way they believe the experimenter wishes.
participant bias
the experimenter’s actions which may influence the outcome of the experiment
experimenter bias/expectancy
an experiment design in which neither the experimenter nor the subjects know who is in the experimental and control groups
double-blind design
selecting participants from the population that closely matches the population being studied.
representative sample
categorizing the desired target population and selecting participants that best represent a particular category of interest
stratified sample
selects individuals from different cohorts (groups) within the population and compares the results of each age group.
cross sectional sample