Changes that occur naturally in the subjects over time could result in the confound of

a. history

Which statement is supported by research on newborn taste preferences?

A) Newborns cannot distinguish basic tastes. B) Not until 4 months do babies prefer a salty taste to plain water. C) Newborns prefer the taste of formula to breast milk. D) Unlike adults, babies relax their facial muscles in response to sour tastes.

When 12-month-old Trent’s fatherasks him to get his stuffed bunny, Trent looks at and points to the pillow where the bunny usually rests. Trent is displaying ________

A) the violation-of-expectation method B) deferred imitation C) inferred imitation D) displaced reference