The Vocabulary Self-Selection group also outperformed the Input Enhancement group on the unseen posttest¶

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? The Vocabulary Self-Selection group scored significantly higher than the Input Enhancement group on the unseen posttest controlling for practice effects. → Masoudi 2017

Evidence¶

Masoudi 2017¶

Golfam Masoudi. (2017). The Effect of Vocabulary Self-Selection Strategy and Input Enhancement Strategy on the Vocabulary Knowledge of Iranian EFL Learners. English Language Teaching, 10(8). https://doi.org/10.5539/elt.v10n8p32

q2 · i? · causal · r1

Independent-samples t-test on the 20-item unseen posttest, administered one session after the seen posttest to control the practice effect and increase internal validity. Table 9 prints a mean difference of 23.75000; the Vocabulary Self-Selection mean was higher.

"there is a statistically significant difference (t=11.56, df=38, p=0.000>0.05) between the mean of the unseen posttest of the learners who were exposed to V ocabulary Self-Selection strategy and the Iranian EFL learners who practiced Input Enhancement strategy"

Discussion¶

Related Claims¶

• Input Enhancement strategy improved the vocabulary knowledge of Iranian EFL learners over a three-month treatment — related
• The Vocabulary Self-Selection group outperformed the Input Enhancement group on the seen achievement posttest — related
• Both strategies produced gains in vocabulary knowledge over the course of the treatment — related