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5 Written questions
5 Matching questions
 Independent variable
 Range
 Random selection
 Experimenter bias effect
 Peer review
 a The difference between the highest and lowest scores; a measure of dispersion.
 b The treatment or intervention that the experimenter "manipulates" or varies.
 c A mechanism by which experts in a field carefully screen the work of their colleagues.
 d A phenomenon in which reasercher's hypotheses lead them to unintentionally bias the outcome of a study.
 e A procedure that ensures every person in a population has an equal chance of being chosen to participate.
5 Multiple choice questions
 A research design that examines the extent to which two variables are associated.
 Watching behavior in realworld settings.
 The measure of dispersion that takes into account how far each data point is from the mean.
 How common a characterisic or behavior is.
 Characterized by randomly sorting participants into two groups.
5 True/False questions

Illusionary correlation → The measure of dispersion that takes into account how far each data point is from the mean.

Experimental group → A research design characterized by random assignment of participants to conditions and manipulation of an independent variable.

Central tendency → The measure of the "central" scores in a data set, or where the group tends to cluster.

Experiment → The measure of how loosely or tightly bunched scores are.

Demand characteristics → The measure of dispersion that takes into account how far each data point is from the mean.