Timmy is trying to get a toy that comes in some boxes of breakfast cereal. He keeps opening boxes of cereal, knowing that if he opens enough boxes, he will eventually find a toy. Timmy is being reinforced on a schedule. fixed ratio

Which perminant civil rights leader would have disagreed most with washington's approach to solving the problem of racial inequality in the south?

How can changes in technology or consumer demand make it difficult for people to get jobs? by changing the number or kind of jobs available by making it possible for some people to work fewer hours by making it difficult for people to buy what they want by creating a demand for things that are not available

The two-factor theory of emotion was proposed by