The purpose of this current study was to assess the functions of hand-mouthing
and develop appropriate intervention to decrease such aberrant behavior in a student
with mental retardation. This study employed single subject methodologies and
included three experiments that functionally analyzed one student’s hand-mouthing
behavior. An analogue functional analysis was used in Experiment 1 to detect the
possible function of the student’s hand-mouthing. Results indicated that sensory
consequence was a main determinant of hand-mouthing in this student. Preferred
objects were employed in Experiment 2 to compete with sensory consequences
maintaining the student's hand-mouthing. Results showed that both preferred items
could decrease the student’s mouthing behavior. Finally, functional communication
training (FCT) developed from prior functional analyses and preference assessment
was employed in Experiment 3 to treat the student's mouthing behavior. Results of the
present study demonstrated FCT could be successfully taught to increase the student’s
communication ability and to decrease his hand-mouthing behavior."
本研究旨在以功能分析的方法找出一位重度智能障礙學童含手行為的原因，再進行適當的功能溝通訓練的處理，以減低此異常為的次數。
共有三個子研究：
研究一、以類似功能分析（analogue functional analysis）從操弄四種實驗情境，來分析該學童含手的功能。結果顯示：感官的後果與高頻率的含手行為有關。
研究二、進行偏愛物的評量，評估最喜愛的東西來減低含手行為的效果。結果顯示：兩種最喜歡的刺激物都能減低含手行為發生的頻率。
研究三、以功能溝通訓練教導該學童以手勢表達要最喜歡的感官刺激物，以此對含手行為進行介入。研究顯示：功能溝通訓練可以增加該學童的溝通能力，並可有效地降低其含手行為的次數。
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