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Direct linkHaixiang Zhang – Structural Equation Modeling: A Multidisciplinary Journal, 2025
Mediation analysis is an important statistical tool in many research fields, where the joint significance test is widely utilized for examining mediation effects. Nevertheless, the limitation of this mediation testing method stems from its conservative Type I error, which reduces its statistical power and imposes certain constraints on its…
Descriptors: Structural Equation Models, Statistical Significance, Robustness (Statistics), Comparative Testing
Download full textACT, Inc., 2011
This report examines how performance standards in reading and math on PLAN[R], the organization's college and career readiness assessment for 10th graders, compare to performance on the Programme for International Student Assessment (PISA), a worldwide assessment of 15-year-old students' academic achievement. The results show that the performance…
Descriptors: State Standards, Grade 10, Career Development, Academic Standards
Vuk, Jasna; Morse, David T. – Research in the Schools, 2009
In this study we observed college students' behavior on two self-tailored, multiple-choice exams. Self-tailoring was defined as an option to omit up to five items from being scored on an exam. Participants, 80 undergraduate college students enrolled in two sections of an educational psychology course, statistically significantly improved their…
Descriptors: College Students, Educational Psychology, Academic Achievement, Correlation
Kiger, Derick M. – Florida Journal of Educational Administration & Policy, 2008
Public schools face raised performance expectations on group-administered achievement tests. In response, educators have implemented various preparation strategies to ready students. However, the research community largely ignores the impact of setting on test performance. This randomized field trial assesses whether or not there were significant…
Descriptors: Grade Point Average, Group Testing, Educational Environment, Statistical Significance
Butler, Karen L.; Dawkins, Phyllis Worthy – Journal of Negro Education, 2008
Learning communities are becoming increasingly popular in the quest for enhancing student learning. The purpose of this study is to examine the impact of the "Healthy Youth" Learning Community on student learning outcome measures. In this study, the authors compared student learning outcome measures of students enrolled in those sections…
Descriptors: Academic Achievement, Program Effectiveness, Statistical Significance, Comparative Testing
Benson, Kelsey A.; Marchand-Martella, Nancy E.; Martella, Ronald C.; Kolts, Russell L. – Journal of Direct Instruction, 2007
This investigation examined the comparative effects of "Reading Success Level B" on the reading comprehension skills of 78 fifth graders across three general education classrooms. Three student subgroups were formed based on pretest Scholastic Reading Inventory (SRI) reading levels including high (n = 14), average (n = 50), and low (n = 14)…
Descriptors: Reading Comprehension, Grade 5, Statistical Significance, Pretests Posttests
Lauer, Patricia A.; Akiba, Motoko; Wilkerson, Stephanie B.; Apthorp, Helen S.; Snow, David; Martin-Glenn, Mya L. – Review of Educational Research, 2006
Schools and districts are adopting out-of-school-time (OST) programs such as after-school programs and summer schools to supplement the education of low-achieving students. However, research has painted a mixed picture of their effectiveness. To clarify OST impacts, this synthesis examined research on OST programs for assisting at-risk students in…
Descriptors: Program Effectiveness, High Risk Students, Summer Schools, Effect Size
