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Download full textOmar Saleh Bani Yassin; Aiman Mohammad Freihat; Sabri Hassan Al-Tarawneh – Educational Process: International Journal, 2025
Background/purpose: This study aimed to investigate the differences among the equations used in estimating the reliability coefficient using the half-split method. These equations demonstrate Spearman-Brown's, Rulon's, Guttman's, Mosier's, Flanagan's, and Horst's. Materials/methods: The study instrument was a 43-item scale for evaluating the…
Descriptors: Foreign Countries, Equations (Mathematics), Mathematics Instruction, Grade 10
Direct linkCronin, John – Northwest Evaluation Association, 2004
Recently NWEA completed a project to connect the scale of the WKCE with NWEA's RIT scale. Six Wisconsin school systems participated in the study, using test information from a group of over 1,500 students enrolled in fourth, eighth, and tenth grade who took both the WKCE and NWEA tests in the fall of 2003. Information from these tests was used in…
Descriptors: Achievement Tests, Standardized Tests, Reading Achievement, Mathematics Achievement
