Conditioned Reinforcement with an Equine Subject Page: 16
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16
responsiveness to leg pressure. However, the response was
not repeated during the pretest trial and was not, therefore,
considered a conditioned behavior. The conditioned rein-
forcer was presented, using shaping techniques, during the
six daily training sessions which consisted of six trials
each. Approximately 1 minute elapsed between trials.
The subject failed to emit a single target response on
the pretest trial of Task 4. Criteria for this task requir-
ed the horse to refrain from moving any of its legs for 60
seconds while the bridle reins hung to the ground. Eleven
daily 10-minute sessions of five trials each were required
to elicit consistently the correct behavior. There was a
60-second intertrial interval. One incorrect response was
observed during the posttest trial; the horse backed up sev-
eral steps after presentation of the discriminative stimulus.
It was observed that the horse was not under full stimulus
control when the cue was presented and had not directed its
entire attention to the handler. Successful responses were
completed for the remaining nine trials when stimulus con-
trol was effectively held.
Task 5 involved the horse's nodding its head on presen-
tation of a hand signal. No head nods were elicited on the
pretest trial. However, when conditioned reinforcement was
employed, the subject nodded its head consistently after 11
10-minute training sessions of eight trials each. Trials
were approximately 45 seconds apart. There were 10 success-
ful responses for the 10 posttest trials.
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Flynn, Karen Kolb. Conditioned Reinforcement with an Equine Subject, thesis, May 1980; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc503848/m1/20/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .