Evidence item
Nature reports a pooled 0.321-standard-deviation learning gain for combined phone-and-SMS tutoring across five randomized country trials. DIRECT_TEXT
Source: Mobile education builds resilience during shocks in five countries · locator {} · excerpt hash sha256:24abaa42dda38a0ad669736fe632fb48b28af33743a6b0b979a27b2c741fa024
Exact excerpt
Column 1 in Extended Data Table 2 shows that for the combined phone and SMS group, there was a 0.321 s.d. (P < 0.001) increase in the average numerical operation across all 5 countries.
Linked claims
| Claim | Direction | Relevance | Steps | Counted |
|---|---|---|---|---|
| 4c956818 | SUPPORT | DIRECT | 0 | yes |
Audits
None.