Table 2.
Descriptive Statistics of Cognitive Achievement and Growth Measures across Countries.
| Variable | Ethiopia | India | Peru | Vietnam |
|---|---|---|---|---|
| PPVT score | 79.16 | 58.49 | 58.93 | 93.98 |
| (44.22) | (30.45) | (17.65) | (28.56) | |
| MATH score | 6.58 | 12.03 | 14.20 | 18.43 |
| (5.39) | (6.42) | (5.82) | (5.84) | |
| Height-for-age z score (HAZ) at age 1 y | −1.45 | −1.27 | −1.27 | −1.07 |
| (1.71) | (1.44) | (1.26) | (1.18) | |
| HAZ at age 5 y | −1.45 | −1.65 | −1.53 | −1.34 |
| (1.11) | (0.96) | (1.09) | (1.03) | |
| HAZ at age 8 y | −1.21 | −1.44 | −1.16 | −1.10 |
| (1.10) | (1.02) | (1.04) | (1.06) | |
| Language of administration of tests | ||||
| Amharic | 0.41 | |||
| Oromifa | 0.20 | |||
| Tigrigna | 0.19 | |||
| Telugu | 0.84 | |||
| English | 0.14 | |||
| Spanish | 0.93 | |||
| Quechua | 0.03 | |||
| Vietnamese | 0.99 | |||
| Other | 0.20 | 0.03 | 0.04 | 0.01 |
| Test administered in native language | 0.99 | 0.81 | 0.91 | 0.81 |
| Number of observations | 1876 | 1918 | 1889 | 1949 |
Notes: The table reports means with standard deviations in parentheses. The sample is restricted to children with no missing observations in PPVT or MATH in round 3. Other languages at which tests were administered include Hadiyigna, Sidamigna, Siltigna, and Welayitegna in Ethiopia, Urdu, Kannada, and Oriya in India, a mix of Spanish and Quechua, and Nomatsiguenga in Peru, and H’roi in Vietnam.