Examlex
In an experiment concerning the effect of auditory feedback on accuracy in writing computer programs, one group hears a computer-simulated voice say each character or symbol that they type in as they are writing their programs. The second group does not receive the auditory feedback as they type their program lines. This second group is the ___________ group.
a. experimental
b. control
c. placebo
d. confederate
Multiple T-tests
Refers to performing several Student's t-tests in a study, each comparing means between two groups under different conditions or variables.
Type I Error
The wrongful rejection of an accurate null hypothesis, also known as a "false positive."
One-way ANOVA
A statistical test used to compare the means of three or more independent groups to see if there is a significant difference between them.
Population Variances
The squared deviations from the mean of a population, showcasing the spread or dispersion of the population data.
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