5 Written Questions
5 Matching Questions
 Random assignment
 Response sets
 Standard deviation
 Internal validity
 Existence proof
 a The extent to which we can draw causeand effect inferences from a study.
 b Characterized by randomly sorting participants into two groups.
 c A demonstration that a given psychological phenomenon can occur.
 d Are tendencies of research participants to distort their responses to questionaire items.
 e The measure of dispersion that takes into account how far each data point is from the mean.
5 Multiple Choice Questions
 Watching behavior in realworld settings.
 The most frequent score in a data set; a measure of central tendency.
 The extent to which we can gerneralize findings to realworld settings.
 Improvement resulting from the mere expectation of improvement.
 Mathematical methods that allow us to determine whether we can generalize findings from our sample to the full population.
5 True/False Questions

Illusionary correlation → A perception of a statistical association between two variables where none exists.

Median → The average; a measure of central tendency.

Confounding variable
(Confound) → Any difference between the experimental and control groups other than the independent variable. 
Hindsight bias → A systematic error in thinking.

Peer review → A process whereby researchers inform participants what the study was about.