Suppose that you want to measure the causal effect of hours spent studying on th

Question

Suppose that you want to measure the causal effect of hours spent studying on the performance on a mioroeconomics exam for a class of 30 students Which of the following could be an ideal randomized controllad experiment to study the desired causal efect? A. Alow all students an otra day to study forthe microecromos exam Then measuro the exam sore dne ence between the Aident with re hghese score and lowest we eoave B. Alow the fneen suderts with te highestgrades rhedass an extra day t study for he meroeconomes e am Then measure he ear" score dfrwoes beteen ludents who pt to otn daytototy and hose tatddnt C. Akw en shdents chosen at random, an extra day to stdy forthe meroeconoma exam. Then measure the e um scare aferences between students who gotte extra day to sudy and nose natadet D. All of the above couid be ideal randomized controlled experiments Consider the following nandomized controlled experiment You alow teen studerts, dosen at rwdom, an entra day to study irre m roecono exam measumthe sonarences between tose whogon" een day b tity rd hise nutddnt Which of the following could be impediments to implementing this experiment in practice? O A. it could be against school policy to administer the same exam to two dMlerent groups of students in the same class on diftferent days O B. t could be considered unethical to alow some students more time to study c. "could be costy toadrnister A and C only same exam towo dnerent groups of students nthe same dass on dnerert days D. E. All of the above couild be impediments to implementing his experiment in practice

Explanation / Answer

Q.1 Option C. As selecting students at random would help to remove bias effect and get the results accurately

Q2. Option E. As all of the above needs to be addressed while before conducting experiment

Q3. Option A

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