ExperimentationIndependent Variable: Experimental factor that is being manipulated
Dependent Variable: Variable that may change in resoinse to manipulation
Experimental and Control Groups
Experimental Group: The condition of an experiment that explores participants to the treatment
Control Group: The condition of the experiment that serves as a comparison for evaluating the effect of the treatment
Experimental Method
Blind Study: Subjects are unaware if assigned to experimental or control group
Double-blind Study: Neither subjects nor experimenters know which group is control or experimental
DESCRIPTIVE STATISTICS V. INFERENTIAL STATISTICS
Descriptive Statistics: describe the results of research
Inferential Statistics: are used to make an inference or draw a conclusion beyond the raw data
Measures of Central TendencyCentral tendency - where does the center of the data tend to be?
Mode: The most frequently occuring score in a distribution
Mean: Average if scores in distribution
Median: Middle score in a rank-ordered distribution
Range: Difference between the highest and lowest scores in distribution
Measures of Variation
Standard Deviation: A computed measure of how much scores vary around the mean
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