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The present study was conducted with a total of 52 9th grade students in a high school located in the province of Trabzon.
We offer new theoretical, substantive, statistical, design, and methodological insights into the seemingly paradoxical negative effects of school- and class-average achievement (ACH) on academic self-concept (ASC the big-fish-little-pond-effect (BFLPE; 15,356 Dutch 9th grade students from 651 classes in 95 schools).
A subsample (N = 120) of male 9th grade students was recruited from the larger JHU study population.
A two-wave longitudinal design was used to examine this issue among 9th grade students (N = 306) enrolled in high school mathematics classes during an academic term.
Another interesting contribution to this list of evidence comes from Clintondale High School in Michigan, where the failure rate of its 9th grade students in the mathematics class dropped from 44 to 13 % after applying the flipped classroom model (Finkel, 2012).
59,348 students from 1,453 schools and 26 state capitals and the Federal District participated in the National Survey of School Health among 9th Grade Students (PeNSE, 2009).
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To study the prevalence of post-traumatic stress disorder (PTSD) in the 4th 9th grade students in an affected school 23 months after tsunami.
The study employed a quasi-experimental design involving 11 grade students; 25 in an experimental and 25 in a control group.
For the science bowl, 6 8th grade students form teams of four or five and answer questions in all areas of math and science.
The study population included 986 5th–8th grade students.
A cross-sectional study of 852 ethnically diverse 5th 8th grade students.
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