All human babies, regardless of which culture they live in or which language is spoken around them, begin to babble at about the same age. This is an example of

A classic laboratory procedure used to measure attachment through the use of evoking an infant's reaction to stress is called the ______

Fill in the blank with correct word

Each of the __________ factors describes personality at a high level of abstraction summarizing a large number of more distinct lower level traits

a. Cardinal Ten b. Big Five c. Primary Eight d. Distinct Seven