The major means of control in single-subject experimental research is
A) replication.
B) randomization.
C) homogeneous selection.
D) analysis of covariance.

Question

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Replication is the major means of control in single-subject experimental research. This involves repeating the experiment several times with the same subject or group of subjects. This increases the reliability of the findings and allows for the elimination of any extraneous variables that may affect the results. Randomization helps to ensure that the results are not biased and are representative of the population being studied. Homogeneous selection ensures that the subjects being studied are similar enough to minimize the effect of individual differences. Analysis of covariance is a statistical technique used to control for covariates that may affect the outcome of the study. However, it is not a means of control in and of itself.

The Major Means of Control in Single-Subject Experimental Research Is