Imagine that this chart showed the population in the 1800s as well. What would the population be in 1870 if it showed 7.25 stick figures? A)The population was less than 7 million.
B)The population was 7.25 million.
C)The population was 72.5 million.
D)The population was 725 million.

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?