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Edsurge
MAY 29, 2018
There is often a bias where studies that show a strong effect, or studies that show a positive effect in a direction that’s expected or desired, are more likely to be published than studies that find no difference, or what’s called a ‘null effect.’ This might be what happened with growth mindset studies.
The Hechinger Report
MARCH 18, 2024
Of the 112 properly evaluated grants, the most common result was a null finding, meaning that the intervention didn’t make a difference. There are two reasons that a study can end with a null result. Only a small handful left students worse off. One is because the intervention didn’t work, but it can also be a methodological quirk.
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Edsurge
OCTOBER 11, 2018
But even with potential room for error minimized in the simulation, the overwhelming outcome of the simulations were also null. They ran the study again and again, tried sample sizes from 100 to 5,000, and varied the size of the group with access. So where does that leave us?
The Innovative Educator
MAY 21, 2013
The estimated null effect is consistent with survey evidence showing no change in homework time or other "intermediate" inputs in education. Although computer ownership and use increased substantially, we find no effects on any educational outcomes, including grades, test scores, credits earned, attendance and disciplinary actions.
The Hechinger Report
DECEMBER 17, 2018
Most studies ended up producing “null” results and she said that means “we’re not doing worse than business as usual. Only one of the 67 programs produced negative results, meaning that kids in the intervention ended up worse off than learning as usual.
Edsurge
JANUARY 6, 2017
The ubiquitous use of null hypothesis significance testing in educational research is an epistemic dead end. In particular, we will be focusing on three key ideas: Why ‘What Works’ Doesn't: Education research needs to move beyond simply evaluating whether or not an effect exists; that is, whether an educational intervention ‘works’.
Edsurge
MAY 30, 2017
And at times when the entity is bought and sold by other companies, the legal agreements initially put in place to restrict the uses of the data can be null and void. With commercial data collection, there are often few restrictions on how the data can be used and shared.
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