At around 18 months of age, children will learn approximately 10 or more new words and labels each week.

​Kathleen and Alphonse are expecting their first child, and are having a pleasant conversation about the sex of the baby. Kathleen says, “Well, as long as all of the chromosomes are X, we’ll be having a girl!” How can Alphonse best respond?

​The demands that are placed on individuals by their environment are referred to as environmental press.

​Which of the following circumstances would indicate the greatest level of heritability of a trait?

​The reliability of a research measure refers to the extent to which that measure provides consistent evaluations of a given characteristic.

A grammatical morpheme refers to the part of a word that can be omitted without affecting grammatical correctness or meaning.

​While there is an expectation that researchers will conduct their studies ethically, there is no system of checks and verifications that ensures this is the case.

Your personality and your ability to make and carry out plans are all controlled by the occipital lobe of the cerebral cortex.

Tosha is playing jacks, and each time she bounces a ball she has to pick up one additional jack. She uses private speech as she counts the number of jacks in her head rather than out loud.

​Barbara is preparing a cup of coffee in her kitchen, when she hears her newborn daughter crying from the other room. The cry is marked by a sudden long burst of noise, followed by a long pause and gasping. Barbara’s daughter is making the ____ cry.