To assess the effect of televised violence on aggression, researchers plan to expose one group of children to violent movie scenes and another group to nonviolent scenes. To reduce the chance that the children in one group have more aggressive personalities than those in the other group, the researchers should make use of a random assignment. b replication. c the double-blind procedure. d operational definitions. e naturalistic observations.

Amaster's degree candidate needs to conduct a research project for her master's thesis. she is interested in the types of junk food available to the public. she plans on going to the local convenience stores and asking the owners what types of junk food the store normally stocks and which are the biggest sellers. identifiers will not be collected. this study would fall under which of the following? a. expedited review b. exempt review c. full board review d. not human subjects

Geography and harsh weather played a major role in the napoleons defeat during his invasion of

Aresearcher would most likely find a(n) correlation between scores on a measure of impulsivity and scores on a measure of self-control.