“…This process removed the 8 questions with large DIF as well as items 6 and 24, producing a reduced instrument containing FCI questions: 1, 2, 3, 4, 5, 7, 8, 10, 11, 13,16,17,18,19,20,25,26,28,29, and 30. For Sample 1, this 20-item instrument reduced the gender gap on the posttest to 4.3% from the original 8.0%, with men scoring ð73.1 AE 19Þ% and women scoring ð68.7 AE 19Þ%.…”