Claims

In the experimental group, no significant pretest-posttest difference appeared on items 4, 7, 8 and 15, including the item about teachers' use of instruments

Claim · All claims
Evidence · 1 study · causal r2 · q2
Currency · newest study 2017 · not yet checked against its sources · not reviewed by a person

Subclaims

Reading the evidence codes

q is the design tier, i the impact, n the sample, and the kind with its r the rigour judged within that kind: what each code means.

This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.

q2 i? Items 4, 7, 8 and 15 showed no significant pretest-posttest difference in the experimental group; item 15 concerns the music teacher's use of instruments, which the authors expected because karaoke recordings were used. → Gökhan Özdemir and M. Can Çiftçibaşı 2017

Evidence

Gökhan Özdemir and M. Can Çiftçibaşı 2017

Gökhan Özdemir and M. Can Çiftçibaşı. (2017). Effect of pop music on students’ attitudes to music lessons. Educational Research and Reviews. https://doi.org/10.5897/ERR2017.3321

q2 · i? · causal · r2

Null findings from the same pretest-posttest experimental study: the experimental group's t tests on items 4, 7, 8 and 15 were non-significant (all p>.05). The article explains the item 15 result: "as karaoke recordings were used for the experimental group, this result is expected."

"After application, in the experimental group taught using pop music samples with karaoke recordings, there was no significant difference observed in pretest and posttest points for items 4, 7, 8 and 15 (t (168) = 1.30, p>.05, t (168) = .48, p>.05, t (168) = .81, p>.05, t (168) = .68, p>.05)."

Discussion

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