Data from college admissions tests can provide a valuable measure of student achievement, but the non-representativeness of test-takers is an important concern. We examine selectivity bias in both state-level and school-level SAT and ACT averages. The degree of selectivity may differ importantly across and within schools, and across and within states. To identify within-state selectivity, we us...

In 2012, the National Health Personnel Licensing Examination Board of Korea decided to publicly disclose all test items and answers to satisfy the test takers' right to know and enhance the transparency of tests administered by the government. This study investigated the effects of item disclosure on the medical licensing examination (MLE), examining test taker performance, psychometric charact...

The many works devoted to the issue of fairness in language testing (e.g., Kunnan, 1999, 2000; Shohamy, 2001; Spolsky, 1981) testify to the field’s recognition of the importance of this issue. Brown (1996) defines fairness as “the degree to which a test treats every student the same or the degree to which it is impartial” (p. 31). The goal of language tests is to impartially measure individual ...

Through the use of eye-tracking technology and a while-listening performance (WLP) test, this study examined differences in gaze behaviors measured listening performances on test items (across various stages test) compared them between native English-speaking (E-L1) non-native (E-L2) candidates. One hundred students from public university Singapore participated study. A series Mann-Whitney U te...

Difference in differences (DID) require that the treatment rate is equal to 0% in the control group and during period 0 (no “always takers”) and to 100% in the treatment group in period 1 (no “never takers”). Sometimes, treatment rate increases more in the treatment than in the control group but there are never or always takers. This paper derives identification results applying to such setting...

The present research compared Canadian and Spanish youths’ perceptions of the potential benefits and drawbacks of drinking under the influence of alcohol (DUI) and riding with a drunk driver (RDD). Eighty (41 female) Canadian and 87 (71 female) Spanish undergraduates completed a survey asking about their past and forecasted engagement in DUI and RDD, and their perceptions of the benefits and dr...