EFFECTS OF DIMENSIONAL PREFERENCE AND OVERTRAINING UPON OPTIONAL SHIFT LEARNING IN PRESCHOOL CHILDREN

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  • 次元偏好性と過剰訓練が幼児の選択移行学習におよぼす効果
  • ジゲン ヘンコウセイ ト カジョウ クンレン ガ ヨウジ ノ センタク イコウ

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Abstract

In Exp. I, 64 preschoolers were trained with their preferred stimulus dimension in the original discrimination (OL) of optional shift learning (OSL) (Condition D), and another 64 were trained with their nonpreferred one (Condition ND). The Ss in each condition were divided into 2 groups, differing in the amount of training. Under D, OL was learned faster and intradimensional shift (ID) occurred more frequently. Under ND, OL was learned more slowly and ID occurred as frequently as extradimen-sional shift (ED). Under ND, ED decreased but ID increased with overtraining. These findings almost coincided with the predictions from the observing response theory. In Exp. II, the degrees of preference strength of 68 preschoolers were measured, and they were trained in OSL. The effect of strength in dimensional preference upon OSL was found under ND.

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