How many calendars did the maya have? how accurate were they?

Psychologists studying infant memory want to determine at what age babies can remember specific events. an experimenter uses several puppets to demonstrate a series of actions while the infant watches. after a delay, the experimenter records how many of the actions the child imitates when playing with the puppets. what is the dependent variable?

Which of the following is true of emotions? (a) a neurologically-intact baby can show at least six distinct emotions at birth. (b) the character of emotions changes as we develop cognitively. (c) basic emotions are culturally- and developmentally-based. (d) in general, adults cannot interpret infant emotions until the infants are 10 to 12 months old.

Which choice best describes how your answer compares to the sample