The present study was aimed at exploring the effect of integrative and instrumental motivation on second language proficiency by incorporating expectancy-value theory.

本项研究以融合期望价值理论为基础，探索了综合性动机和工具性动机对第二语言熟练性的影响，研究结果表明被试者工具性动机多于综合性动机。

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Expectancy-Value Theory and Attribution Theory also form the theoretical basis of the motivational variables which can be used in interpreting the complicated motivational activities of individuals.

期望-价值理论，以及归因理论都为揭示个体的复杂动机行为提供了理论支持。

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