The present study had two purposes. First, the relationship between language anxiety and motivation was examined among Iranian EFL learners. Secondly, a foreign language achievement model based on language learning anxiety and motivation was developed and tested by structural equation modeling. To achieve the purposes, foreign language classroom anxiety scale (FLCAS) and language learning orientations scale (LLOS) were administered to 264 participants. The results of the study showed that amotivation and less self-determined types of external motivation are positively related to language anxiety. Also, intrinsic motivation and identified regulation were negatively related to language anxiety. The application of the structural equation modeling showed that both anxiety and motivation significantly predict the English achievement of the language learners within an Iranian context. Pedagogical implications of the results are discussed.

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