In the example of a reversal design in which a teacher wanted to reduce a child's self-stimulatory behavior, why did the psychologist use an ABAB design instead of an ABA design?
A) The behavior in the treatment (B) condition was preferable to the behavior in the no-treatment (A) condition.
B) The money was available to do a final check on the B condition
C) In real life situations, it is necessary to return the participant to their original state.
D) All of the above
Question 2
In the example of an ABA design in which a teacher wanted to reduce a child's self-stimulatory behavior, the independent variable was
A) the number of times the child hit herself.
B) the number of days it took to reduce the self-stimulatory behavior.
C) the attention given to the child when she engaged in self-stimulatory behavior.
D) the psychologist's presence in the classroom.
Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
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