Ex post facto study
Experimental research is impossible and there are independent variables that cannot be manipulated.
A measure of the distance of a score from the mean in units of standard deviation.
An unsymmetrical distribution possibly caused by outliers.
Differences between the experimental and control condition affecting the dependent variable.
Extreme scores that cause distributions to be unsymmetrical or skewed.
Graphing findings into a bar graph.
Negatively skewed distribution
An unsymmetrical distribution caused by the mean being lower than the median.
A philosopher who theorized about the relationship between thought and behavior.
Occurs when subjects perform better on a second test because they already took a similar one.
Belief that most psychologists draw from multiple perspectives.
Percentage possibility that results occurred by chance.
Having half of the subjects do something while the others do something else, then switch.
Stone Age humans carving holes through the skull to release evil spirits.
The explanation of how a researcher will measure a variable.