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.
<span>I think the right answer is "which they reach a certain age." Jean Piaget is a psychologist who studied human development. According to his theory, human development is divided into stages, these stages are achieved due to cognitive maturation during the first years of life. <span>Each stage of development is characterized by more specialized skills, behaviors, and cognitive skills.
I hope my answer can help you.
</span></span>
Answer:
C.
he was NOT measuring an innate, fixed level of mental ability.
Explanation:
Among others, a professional geographer is most likely to be consulted by a historian to learn about the effects of the modern lumber industry on a country's forests.
<h3>Who is a
professional geographer?</h3>
This is an expert who studies the physical features of the earth, its atmosphere, and human activity as it affects and is affected by these.
Therefore, the geographer is most likely to be consulted by a historian to learn about the effects of the modern lumber industry on a country's forests.
Read more about geographer
<em>brainly.com/question/12790602</em>
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Answer:
History of Economic Thought is different from Economic History and History of Economics. While History of Economic Thought deals with the development of economic ideas, Economic History is a study of the economic development of a country. On the other hand, History of Economics deals with the science of economics.
Explanation:
