You can easily ride bicycles of different sizes and types on a large variety of surfaces once you have learned a "bike­riding"

Forming a hypothesis is the second step in a scientific investigation. This step is derived from which goal of psychology?

a) describing b) explaining c) predicting d) changing

Preterm babies are __________ than full-term babies

A) more often talked to B) less susceptible to the effects of parenting quality C) less often held close D) less irritable