Control over Therapist Interactions as a Reinforcer for a Child with Autism Page: 8
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Data were collected on terminating responses, initiations toward the experimenter,
instructions, and the duration of interactions between the child and the experimenter.
Appendix A describes both the observational code and the data collection sheet used in
Terminating Responses (or Terminations) were defined as any verbal or physical
gesture to move from within 1 ft of the therapist. Examples of terminations might be
saying the word "move," walking away from the therapist, forcible contact with the
experimenter's hand or arm, by his hand or arm, or kicking the experimenter with a foot
or both feet.
Initiations were defined as any verbal or physical gesture by the child within 1 ft
of the therapist to participate in, maintain an activity, or to remain in close proximity.
The child had to remain in proximity for at least 1 s in order for an initiation to be scored.
Examples of initiations might be the child saying, "Come here," or, "Sit down." Other
examples might include the child approaching the therapist and taking his hand, or giving
the therapist a hug.
Instructions were defined as verbal or physical models of appropriate speech or
physical movements involving play items that occurred within 1 ft of the subject. For
example, if the subject was playing with a doll, the experimenter would locate another
doll, move to within 1 ft of the subject, and either say, "Hi," model dancing, tell the child
to "put the doll over there," or engage in some combination of those types of models or
Interaction Duration was defined as the total amount of time the child remained
within 1 ft of the experimenter. The maximum total duration possible for any session
was 10-min or 600 s. Total duration data was calculated as the total amount of time the
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Edwards, William Harrison. Control over Therapist Interactions as a Reinforcer for a Child with Autism, thesis, August 1999; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc278765/m1/15/: accessed January 21, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .