[Week 2] Research Designs Flashcards
confounds
Factors that undermine the ability to draw causal inferences from an experiment.
correlation
Measures the association between two variables, or how they go together.
dependent variable
The variable the researcher measures but does not manipulate in an experiment.
experimenter expectations
expectations influence study outcomes
independent variable
The variable the researcher manipulates and controls in an experiment.
longitudinal study
study follows same participants over a long period of time
operational definitions
How researchers specifically measure a concept.
participant demand
research participants modify their behavior to their belief of the researcher’s expectations
placebo effect
something new affects human behavior
Quasi-experimental design
experiment does NOT require random assignments
random assignment
Assigning participants to receive different conditions of an experiment by chance.