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QUASI EXPERIMENT PUZZLE

Across
One of threats to internal validity has to do with preexisting differences between groups
One of the threats to internal validity
Type of assignment in a true experiment
Name of the group that in not experiencing any treatment
Variable that varies in a true experiment
Study age related changes comparing different generations
To show causality there must be no alternative ... (finish the sentence)
One of the requirements of causality for Independent Variable and Dependent one
A type of design that also uses posttest, must first use... (fill in the blank)
Also threat to internal validity has to do with developmental changes
Unplanned event that happened outside the study (threat to internal validity)
Down
Quasi experiments have no random...
Act of taking a measure that effects measurement
A type of pattern matching that has few other alternative explanations
Type of experiment where sample is randomly assigned and independent variable was manipulated
Variable that is measured in an experiment
Type of quasi experiment where time matters - same generation studied
Type of bias that imposes threat on the results
Extreme scores regress towards what over time?
Is a variable already present in groups that isn't manipulated by the researcher