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The chi-square value for a one-tailed (lower tail) test when the level of significance is .1 and the sample size is 15 is
Independent Variable
A variable that is manipulated in an experiment to see if it causes a change in another variable (the dependent variable).
Control Group
In experimental research, a group of subjects that does not receive the experimental treatment and is used as a benchmark to measure the effect of the treatment.
Experimental Groups
In scientific research, groups of subjects that receive the treatment or intervention being tested, allowing researchers to assess its effects.
Experimental Method
A systematic and scientific approach to research in which the researcher manipulates one variable to measure its effect on another variable.
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