True orr False: In the case of a completely randomized experiment with a large sample [with negligible selection bias]; the treatment effect on the treated E [WIT] E [KCIT] only reflects the effect for the units assigned to be treated, but cannot speak to the treatment eftect for the control group. Submit You have used 0 of 1 attempt Save Question 2 1 point possible [gradedj Which of the following are examples of clustered randomization? [Select all that apply] D Teachers are assigned via lottery to receive training or not. Outcomes of interest are student test scores in treatment and control teachersr classrooms Schools are randomly assigned to receive de-worming treatment B Individuals in a village are first grouped by gender and age, and then each person is assigned via a lottery to be in the treatment or control group. Individuals in a village are assigned to treatment overtime, with subsets of those in the initial control group being treated after 1 year, 2 years; and so on after initial treatment was assigned and administered. Submit You have used 0 of 2 attempts Save Question 3 1 point possible [gradedj Stratification, ire. grouping individuals together based on similar characteristics {erg} gender, socioeconomic status] and then randomly assigning to treatment or control from within those clusters, serves which main purpose? 0 Ensuring logistical ease of implementation 0 Ensuring balance in key variables between treatment and control 0 Helping stud}.r spillovers across individuals in treatment and control groups 0 Ensuring the absence of spillovers across individuals] i.e. to ensure SUTVA What is the meaning of "pairwiserandomization\"? O A special case of stratified randomized experiment, in which a random sample is selected from each group. O A special case of clustered randomized experiments, in which a random sample is selected from each group. O A special case of stratified randomized experiments, in which each stratum contains exactly two units. 0 A special case of clustered randomized experiments, in which each stratum contains exactly two units. Submit You have used 0 of 2 attempts Save Question 2 0.0f'l point {graded} True or False: Take the example of the RCT conducted in conjunction with the Buffet Foundation. The random assignment of scholarships amongst finalists allows us to estimate the effect of going to college by only comparing the outcomes of scholarship recipients with those of nonscholarship recipients