What new issue was raised in the trial?​

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?

Newspaper started by john campbell:

The colors at sunset are usually the result of raindrops