Table 2.

Sample sizes and attrition rates for mindset and belonging experiments.

Mindset experiment
Time 1		Time 2		Attrition rates
N Treat	N Control	N Treat	N Control	Overall	Differential
2,135	2,222	2,068	2,161	2.90%	0.40%
Belonging experiment
Time 1		Time 2		Attrition rates
N Treat	N Control	N Treat	N Control	Overall	Differential
2,172	2,222	2,116	2,161	2.70%	0.20%

Notes. Control group (belonging control) is same for both experiments. Time 1 = end of fall semester, Time 2 = end of spring semester.