Kindergarten follow-up shows statistically significant positive effects of Curiosity Corner on two print knowledge measures, not included in the effectiveness rating¶

Claim · All claims
Evidence · 1 study · causal r2 · q3 · i2 medium
Currency · newest study 2009 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i2 At kindergarten follow-up, the PCER trial found statistically significant effects favoring Curiosity Corner on TERA-3 (effect size 0.43) and WJ III Letter-Word Identification (effect size 0.43), but not on WJ III Spelling (0.20). → Curiosity Corner 2009

Evidence¶

Curiosity Corner 2009¶

Curiosity Corner. (2009). WWC Intervention Report, What Works Clearinghouse, U.S. Department of Education. https://www.successforall.org/early/early_curiosity.htm

q3 · i2 · causal · r2

Kindergarten follow-up from the PCER Consortium (2008) randomized controlled trial (69 schools/188 kindergarteners on TERA-3). The table row reports mean difference 3.50, effect size 0.43, statistically significant, improvement index +17; WJ III Letter-Word Identification likewise 0.43, significant.

"TERA-3 Kindergarteners 69/188 nr nr 3.50 0.43 Statistically significant +17"

Discussion¶

Learner Variables¶

• Alphabet Knowledge and Print Awareness — outcome: instruction changes it

Related Claims¶

• Curiosity Corner shows no discernible effects on preschool print knowledge in the PCER randomized trial — related
• Curiosity Corner shows no discernible effects on preschool math outcomes in the PCER randomized trial — related
• Headsprout Early Reading has a statistically significant positive effect on the print knowledge of at-risk preschool children — related
• Curiosity Corner improves expressive language but not receptive language in a New Jersey cluster randomized study — related
• Curiosity Corner shows significant positive kindergarten follow-up effects on early reading and letter-word identification, averaging +0.27 — possibly the same claim (merge candidate)
• In the PCER study, Curiosity Corner showed non-significant positive effects on immediate reading and phonological measures — related
• Two cluster randomized experiments with 225 students rate Curiosity Corner as Promising with an average kindergarten follow-up effect of +0.33 — related
• REDI effects largely fade by end of kindergarten, with significant positive effects only on TOWRE Phonetic Decoding Efficiency — related
• Randomized trials of Success for All find significant positive impacts on K-2 early reading, strongest for students starting with lower achievement — related
• Early Reading First had positive, statistically significant impacts on children's print and letter knowledge — related