内発的動機づけに及ぼす外因性報酬と成績の効果

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概要

• 論文の詳細を見る

• The main purpose of this study is to investigate the effects of performance-relevant reward on intrinsic motivation by examining both Deci's theory (1975) and Ross's one (1976).<BR>Fifty-four female undergraduates were assingned to 6 conditions of 9 Ss each. Reward condition (performance-relevant reward or no reward) was combined factorially with the level of performance (high performance, low performance, or control) in a 2×3 design. The level of performance was manipulated with bogus feedback concerning Ss' ability at the task.<BR>Each S performed "a shot game" in one of the 6 conditions, and then evaluated the task interest and enjoyment. Following this phase, Ss were given 8 minutes of free choice time during which observations were made on the amount of time they spent working on the task.<BR>The principal findings were as follows;<BR>(a) In the control condition, reward left intrinsic motivation unchanged.<BR>(b) In both high and low performance condition, reward decreased intrinsic motivation.<BR>(c) In no reward condition, intrinsic motiyation in both high and low performance condition enhanced compared with that in the control condition.<BR>(d) The above effects were seen only in persistency Ss spent working on the task during free choice time, but no effects of reward occurred on the task evaluation.<BR>(e) It was found that the above effects could not be attributed to the fatigue or satiation during the experimental performance phase.<BR>Based on the above results, a figural model about the effects of the extrinsic reward and the level of performance upon intrinsic motivation (Fig. 1) was presented, where it was asserted that "the stability of the level of performance" as well as "the level of performance" should be taken account of as an important variable. For example, in "the stable low performance conditions" intrinsic motivation decreases, whereas in "the unstable low performance condtition" it enhances.

• 日本グループ・ダイナミックス学会の論文

著者

• 北田 隆

  京都大学

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• 内発的動機づけに及ぼす外因性報酬と成績の効果

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