What stimulus did b. f. skinner believe was the best way to shape desirable behavior?

Using the charts above which of the following matches the people with the set of laws they created

What was the main motivation for the early populists

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?