United States |
.73 |
$212.00 |
.34/$100 |
Cooperative learningl | |||
Israel |
1.40 |
$85.00 |
1.65/$100 |
Note:
a The effect size is the average score difference between treatment and control groups
divided by the standard deviation of the control group (Glass, McGaw & Smith, 1981).
b Efficiency is the effect size divided by the per-student cost.
c Source for Brazil: Armitage et al. (1986).
d Source: Jamison et al. for effect: Wells & Klees (1978) for cost
e Source: Heyneman et al. (1989) for effect: Searle (personal communication) for cost.
f Source: Lockheed et al. (1987)
g Source: Oxford et al. (1986) for effect: Kemmerer & Friend (1985) for cost.
h Source: Searle & Galda (1980) for effect: Wells & Klees (1978) for cost.
i Source: Friend et al. (1986) for effect: Galda (1985) for cost.
j Source: Psacharopoulos & Loxley (1985).
k Source: Levin et al. (1984).
l Source: Sharan & Shacher (1986).
DFID
Department for International Development
94 Victoria Street
London SW1E 5JL
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