Exact(12)
Acceleration is a powerful intervention, with effects on achievement that are twice as large as programs for the gifted.
It seems clear that longer-term effects on achievement are smaller than the immediate effects, but they do not disappear altogether if the immediate effects are sufficiently large.
Confidence had a direct effect on Achievement and was the mechanism for the indirect effects on Achievement stemming from Difficulty and HelpSeeking.
Positive effects on achievement have been documented when students are trained in self-assessment (McDonald & Boud, 2003; Ross, 2006; Ross et al., 1999).
In Scheerens and Bosker's meta-analyses of various experimental and non-experimental studies on instructional factors (Scheerens and Bosker 1997), only "small to negligible effects" on achievement were found for opportunity to learn.
Using panel data from North Carolina primary schools, Rothstein (2010) argues that the nonrandom assignment of students to classrooms leads to biased estimates of the teacher – and presumably classroom-based peer – effects on achievement.
Similar(46)
Group composition (i.e., homogeneous vs. heterogeneous) appears to have a conditional effect on achievement on high-level items, depending on one's initial reasoning ability.
While no one claims that poverty does not have an effect on achievement, critics of the reform movement say that grading teachers by their students' test scores does not take into account varying life circumstances.
Delaying kindergarten will usually have no long-term effect on achievement, she wrote, and it would also not give a child advantages socially.
And when rigorous studies were done, as many as 90 percent of programs that seemed promising in small, unscientific studies had no effect on achievement or actually made achievement scores worse.
The lack of an effect on Achievement, while possibly counterintuitive, is not necessarily without reasonable explanation.
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Justyna Jupowicz-Kozak
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