Chapter 2: Methods in Psychology Flashcards
theory
framework for explaining various events or processes
hypothesis
a testable prediction derived from theories that is falsifiable
population
the entire group we wish to study
sample
a subset of the population
what are the goals of psychology?
describe, explain, predict, control
representative sample
matches the population on a number of important variables
random sample
every member of population has an equal chance of being in the sample
WEIRD
Western educated industrialized rich democratic
experimental methods
observation, correlational research
observation
describe what you see
what are different way to observe?
naturalistic observation, survey, case study
correlational research
asks if there is a correlation between x and y
quasi-experimental design
uses pre-existing groups (but cannot make causal statements)
independent variable
variable we are changing
dependent variable
variable we are measuring