Claims

The WhatsApp experimental group improved significantly from pre-test to post-test in punctuation

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2015 · 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? The experimental group's punctuation mean rose significantly from pre-test to post-test in favor of the post test. → Said Fathy El Said Abdul Fattah 2015

Evidence

Said Fathy El Said Abdul Fattah 2015

Said Fathy El Said Abdul Fattah. (2015). The Effectiveness of Using WhatsApp Messenger as One of Mobile Learning Techniques to Develop Students' Writing Skills. Journal of Education and Practice, Vol.6, No.32. https://eric.ed.gov/?id=EJ1083503

q2 · i? · causal · r1

Paired-samples t-test on the experimental group's pre/post performance in punctuation; the table prints means of 18.36 (pre) and 27.70 (post) with the reported "t. value, (7.863)" treated as exceeding the tabulated value.

"Observed t. value, (7.863) with the value of the tabulated t at the level (0.01) was .000. It showed that t value obtained from the posttest was more than t table value."

Discussion

Page metadata
Field Value
status review
generated by process:wiki-ingest on 2026-11-01
trust unverified — no one has confirmed this page's content

Frontmatter is the page's machine-readable record — see the Schema & Guide.