Frank has been asked to complete piaget's pendulum problem. he comes up with some hypotheses and then systematically tests each variable. first, he holds the length of the string and the amount of weight constant and varies the height at which oscillation is started then he moves on to examining the other variables. frank is in which stage of piaget's cognitive developmental theory?

For each of the following, mark whether it is a possible confounder (a factor that mixes up the results, making it look like candy is to blame when it's a causal (or causation) link which supports the argument that candy causes criminal behavior (ie, explains how candy leads to criminality ), or neither (an irrelevant factor, something that may cause people to become criminals but has nothing to do with eating candy). choose your answers based only< on the information given. additives in candy- additives found in candy may adversely affect brain development of young children in ways that could contribute towards adult aggression. impulsive personality-- kids who are highly impulsive and have trouble delaying gratification are more likely to eat candy every day as children and more likely to disobey laws as adults. violent abuse-- children who suffer violent abuse are more likely to become violent adults and commit violent crimes. gender- boys are overwhelmingly more likely to commit violent crimes

In russia, after the soviet union collapse, influential retained power by acquiring large numbers of , so the ruling class gained power in place of power.

How does a long war with a high number of casualties generally affect civilians’ and soldiers’ opinions of their government?