Which of these u. s. presidents appeared on the television series 'laugh-in'?

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?

Name two things the mycenaeans learned from the minoans

What was discussed at the yalta conference