Answer:
75%
Explanation:
In order to understand this question you need to understand the matching law first. The matching law provides the density of reinforcement or the rate of reinforcement if more than one response is available simultaneously to the individual. Here, two responses are available which are left key, 60 reinforcers per hour, and right key, 20 reinforcers per hour. This provides the ratio between the two reinforcers which is 60:20 or 3:1 in favor of left key. Here, one has to make a prediction only for left key and based on 3:1 ratio it can be said that 75% of pigeon will make their responses on the left key.
Answer:
D
Explanation:
It was the golden age for African artisits, musicans, and writiers. It also set the stage for the civil rights movement so a b and c wouldn´t make sense as an answer
Answer:
Exodus, the liberation of the people of Israel from slavery in Egypt in the 13th century bce, under the leadership of Moses; also, the Old Testament book of the same name.
Explanation:
The Emancipation Proclamation freed slaves that was by Abraham Lincoln. It made Black Americans help people in the war. It felt that they could win the war. It was freedom because the slaves were freed.
Answer: Opportunity cost
Explanation:
Opportunity cost could be seen as forgoing an item or a plan for that which has better priority when they both have same or similar values or cost, and this would be based on individuals decision and not a fixed standard. An example would be buying a house over a car, the individual at this point may be tired of paying rent and decided to buy a house which at this point could be the same cost with the car but for the sake of opportunity cost he chooses the house over the car.