1 “... extrapolating to large-scale applications. At the same time, recall bias may result in cost underestimates...”

2 “... decline in the time students spend studying at home after school closures. This may be linked to the fact...”

3 “... than distributed to students. At the same time, the propensity to save books was positively correlated...”

4 “..., and took time to materialize; the study finds no improvements after 1.5 years, but 0.76 fewer sick days per...”

5 “... gains for girls that are comparable to girl-targeted interventions. At the same time, many more general...”