In this study we investigated the potential for a shared-first-language (shared-L1) effect on second language (L2) listening test scores using differential item functioning (DIF) analyses. We did this in order to understand how accented speech may influence performance at the item level, while controlling for key variables including listening passages, item type, and the degrees of intelligibility, comprehensibility, and speaker accentedness. A total of 386 undergraduate and graduate students from China, Korea, and India, who were enrolled in a university in the United States, each took two listening tests. In the first session, they took a standardized listening comprehension test comprising texts recorded by native English speakers. In the second session, they took a listening comprehension test consisting of counterbalanced sets of American English-, Indian-, and Chinese-accented lectures. The results show that the shared-L1 effect is minimal. Effects are consistent for only a few narrow, detail-oriented items, on which Chinese and Korean listeners performed relatively poorly when listening to Indian speakers.

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PurposeThe purpose of this study is to evaluate the psychometric properties of each item in the Sport Spectator Identification Scale (SSIS) (Wann and Branscombe, 1993) using the item response theory (IRT) and to provide evidence for modifications in the scale.Design/methodology/approachA total of 635 spectators of US professional sports responded to the seven-item SSIS on an eight-point semantic differential scale. The general partial credit model was fitted to the data.FindingsThe results revealed that four items (Items 1, 2, 3 and 5) provide a relatively high amount of information, whereas three items (Items 4, 6 and 7) provide a low amount of information, indicating different levels of measurement precision among the items. Furthermore, the results showed that some low-level response options were rarely selected by participants, indicating that it may not be necessary to include response options as many as eight within each item.Originality/valueUnlike previous studies examining the psychometric properties of the SSIS as a whole, the present study provides information about the usefulness of each item of the SSIS in measuring individuals' team identification. Based on the findings, the authors identified some issues with the three problematic items, including the wording of the items and the link between the question and the target construct. The authors make several suggestions for researchers and practitioners in improving individual item quality and in making informed decisions when using the SSIS in the future.

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