Hydroxychloroquine, chloroquine, and remdesivir are among the drugs commonly discussed as treatments for the new viral infection, coronavirus disease 2019 (COVID-19). Previously, I described different ...

Hydroxychloroquine, chloroquine, and remdesivir are among the drugs commonly discussed as treatments for the new viral infection, coronavirus disease 2019 (COVID-19). Previously, I described different ...

1. Under what conditions is experimental research most appropriate? Experiments begin with random assignment to conditions, which produces equivalent groups. One group is subjected to the changed ...

I study the relative academic performance of students tracked or randomly assigned to South African university dormitories. Tracking reduces low-scoring students’ GPAs and has little effect on ...