The experimental and control groups differed significantly on the pre-test before the intervention¶

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2017 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? An independent samples t-test on pre-test scores showed a significant difference between the control group (Mean = 14.15) and the experimental group (Mean = 12.63), so groups were not equal at baseline. → Saovapa Wichadee and Fasawang Pattanapichet 2017

Evidence¶

Saovapa Wichadee and Fasawang Pattanapichet 2017¶

Saovapa Wichadee and Fasawang Pattanapichet. (2017). Enhancement of Performance and Motivation through Application of Digital Games in an English Language Class. Teaching English with Technology, 18(1), 77-92. https://eric.ed.gov/?id=EJ1170635

q2 · i? · causal · r1

Baseline comparison of the two intact sections prior to intervention: the control group's pre-test mean was 14.15 (SD 2.23) and the experimental group's was 12.63 (SD 3.37). The article reports "a difference existed at a significance level of .05".

"An independent samples t-test was employed to examine any significant difference. The finding showed that a difference existed at a significance level of .05 ( p< .05). This means that both groups were not equal."

Discussion¶

Related Claims¶

• The GCR and control groups were equivalent in grammar performance before treatment — reports the opposite
• Before treatment, the experimental and control groups showed no significant difference in overall language proficiency — reports the opposite
• Before the intervention, experimental and control groups showed no significant difference in self-esteem pre-test scores, though descriptively favoring the control group — reports the opposite
• The two intact classes did not differ significantly in overall English proficiency before the study — related
• Before the intervention, the control and experimental groups were statistically equivalent in geometric thinking — reports the opposite