A randomized block design will be used in an experiment to compare two lotions that protect people from getting sunburned. Which of the following should guide the formation of the blocks? 9. (A) Participants in the same block should receive the same lotion. (B) Participants should be randomly assigned to the blocks. (C) Participants should be kept blind as to which block they are in. (D) Participants within each block should be as similar as possible with respect to how casily they get sunburned. (E) Participants within each block should be as different as possible with respect to how ecasily they get sunburned sunburned

Question

Guillermo Jackson

Mathematics

3 March, 19:24

A randomized block design will be used in an experiment to compare two lotions that protect people from getting sunburned. Which of the following should guide the formation of the blocks? 9. (A) Participants in the same block should receive the same lotion. (B) Participants should be randomly assigned to the blocks. (C) Participants should be kept blind as to which block they are in. (D) Participants within each block should be as similar as possible with respect to how casily they get sunburned. (E) Participants within each block should be as different as possible with respect to how ecasily they get sunburned sunburned

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Armando Landry · Answer 1

(D) Participants within each block should be as similar as possible with respect to how easily they get sunburned.

Step-by-step explanation:

In a randomized block design used in an experiment to compare two lotions that protect people from getting sunburned.

The formation of the blocks should be guided by ensuring participants within each block are as similar as possible with respect to how easily they get sunburned.