working explicitly with the contrast between their instrumental mastery and their typically untrained yet often expressive voices. This is difficult. It requires excellent aural and physical ...

“We’re seeking to add more and more hymns—it’s a more robust form of worship,” Kinnally said. “There has been incalculable growth in the singing at our church.” San Diego Reformed is ...

Under specific assumptions, instrumental variable methods can provide unbiased estimates of causal effects. This article explains these assumptions and the information and tests typically reported in ...