A frequent criticism of single-subject designs is that the external validity of these designs is limited.Which of the following does not refute this criticism?
A)Single-subject designs allow for successive administrations of the same intervention to the same person.
B)Multiple-baseline designs across subjects can demonstrate the effectiveness of an intervention for several individuals.
C)Single-subject designs can be done with small groups of individuals rather than with a single individual.
D)Interventions in single-subject designs are often ones that produce dramatic and sizable changes in behavior.

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The Answer of A frequent criticism of single-subject designs is that the external validity of these designs is limited.Which of the following does not refute this criticism?
A)Single-subject designs allow for successive administrations of the same intervention to the same person.
B)Multiple-baseline designs across subjects can demonstrate the effectiveness of an intervention for several individuals.
C)Single-subject designs can be done with small groups of individuals rather than with a single individual.
D)Interventions in single-subject designs are often ones that produce dramatic and sizable changes in behavior.

A Frequent Criticism of Single-Subject Designs Is That the External