Raw post-test descriptive means rose for the PowerPoint group (59.9 to 68.4) but stayed flat for the control group (58.45 to 58.1)¶
Claim · All claims
Evidence · 1 study · causalr2·q3
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.
q3 i? Descriptive statistics show the experimental group's mean rose from 59.9 on the pre-test to 68.4 on the post-test, while the control group's mean moved from 58.45 to 58.1. → Sehati and Khodabandehlou 2017
Evidence¶
Sehati and Khodabandehlou 2017¶
Samira Sehati, Morteza Khodabandehlou. (2017). Effect of Power Point Enhanced Teaching (Visual Input) on Iranian Intermediate EFL Learners' Listening Comprehension Ability. Journal of Educational Issues, Vol. 3, No. 2. https://doi.org/10.5296/jei.v3i2.12323
q3 · i? · causal · r2
Descriptive analysis of pre-test and post-test scores for both groups (N = 20 each, no exclusions per Table 2). Table 3 prints experimental means of 59.9 (pre) and 68.4 (post) versus control means of 58.45 (pre) and 58.1 (post); these are descriptive values with no test statistic in this passage.
"The descriptive statistic al analysis done on the collected da ta of pre-test and post-test is shown in Table 3."
Discussion¶
Related Claims¶
- Students reacted positively to PowerPoint-enhanced listening lessons, reporting benefits for comprehension and motivation — related
- PowerPoint-enhanced teaching (visual input) produced significantly better listening comprehension post-test scores than traditional teaching for Iranian intermediate EFL learners — related
- The experimental group's Geography achievement scores rose significantly from pre-test to post-test after PowerPoint instruction — related
- Descriptive means moved in opposite directions: the treatment group's critical thinking disposition mean rose while the control group's fell — related
- Within the experimental group, achievement rose significantly from pre-test to post-test, while the control group's gain was not statistically significant — related
- The experimental group's mean listening score rose from 51.56 on the pre-test to 69.86 on the post-test — related
- Both groups improved vocabulary retention from pre-test to post-test, with a larger gain in the PowerPoint group — reports the opposite
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