Answer:variable - interval
Explanation: In the this scenario, The humanities instructor is using a variable-interval schedule of reinforcement. The instructor used the word 'surprise' meaning the time and date of the test isn't fixed and the quizzes will come up at unpredictable time intervals. This kind of reinforcement results in a steady response rate as it keeps students on their toes simply due to the fact that they have no idea of when the quizzes are coming up.
Answer: A research study done through surveys showing that psychology faculty at 4-year colleges are more likely to be male than female would be an example of a(n) _correlational study___
Explanation:
Correlational study is one of the type of research designs, use in psychology, purposely to determine the relationship amongst naturally occurring variables, usually two or more variables. It's also used to collect information about a subject, where an experiment can't be performed.
Answer:
“Human and geographical” is a term short for the relationships between human and geography environment. ... The geography can exist without human beings, but human beings can not exist without the earth, which means that the relations between human and geography is the relations that human beings depend on geography.
Explanation:
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Answer:
C) Has been a feature of nearly all economies.
Explanation:
A trade is an of various goods. It is the transfer of services and goods from one party in exchange of money from the other party. It is the act of selling or buying goods. As per the economist, it is set of network which allows trade to be considered as a market. It is a characteristics of all the economies around the world.
Hence the correct option is --- (C).
