As documented in this special issue, all over the world hard choices must be made in education, government, business, and medicine. Intelligence tests, used intelligently and with appropriate ethical safeguards, are one tool of many that help make hard choices work out well, or at least better than the next-best alternative (Kaufman, Raiford,…

The history of intellectual assessment with children and youth in Peru is presented from the foundation of scientific psychology in Peru until now. Current practices are affected by the multicultural ethnolinguistic diversity of the country, the quality of the different training programs, as well as by Peruvian regulations for becoming an academic…

We review the development of the Jamaican home visiting intervention for children under 4 years and its evidence base. The intervention has focused on supporting mothers to promote the development of their children through interacting in a responsive way, labelling the environment and activities. The curriculum is structured and cognitively…