Studied by 7 people
theory
a hypothesis that is tested with significant data
hypothesis
testable prediction, implied by a theory
hindsight bias
tendency to believe, after the outcome, that one would foreshadow it
validity
the extent to which an experiment or test measures or predicts what it's supposed to do
population
whole group that you want to study and describe
correlation
a measure of the relationship between two variables
experiment
research method in which an investigator manipulates one or more factors to observe effect on behavior
scatterplot
graphed cluster of dots, each represent values of two variables
correlation coefficient
statistical index of the relationship between two things (-1 to 1)
experimental group
a subject or group of subjects in an experiment that is exposed to the factor or condition being tested
control group
the group not exposed to the treatment, contrasts with experimental group
