Choices

As a new non-invasive technology makes prenatal genetic tests more common, many more pregnant women will have to choose whether or not to have a disabled child.

• By Michael White

Two new books provide honest reflections on the growing trend of opting out.

• By Lisa Levy

New research unravels the difficult relationship between motivation and choice. Without a feeling of competence, it turns out, the presence of choice can drive people away from a given task.

• By Eric Horowitz