We just published an article in Current Psychology on the direct and indirect relations between socioeconomic status and various developmental factors. This post provides a brief summary.
Testing children is less easy than testing adults, primarily because they lack the social inhibition to tell psychological researchers to go away with their super boring tests. This presents a problem in developmental research: How do you reach these kids?! We developed a bunch of iPad games to test the cognition of an entire classroom in one go. And it works!