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Lesson A: Research Methods
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keithh
#1 Posted : Thursday, June 22, 2017 3:58:28 PM
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I'm wondering if someone can help clarify Question 6 from ICE A For Research Methods in Lesson A.

The question states that:

6. Randomization is critical because it can
I. Be applied in both selection and treatment group assignment
II. Aid in eliminating bias from study designs
III. Help establish a very strong correlative relationship

I chose A (both I and II are correct); the answer in the back states D (I, II and III are correct), but in the answer explanation it states that III is incorrect, while I and II are correct.

Is this a typo?
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katekennedy
#2 Posted : Thursday, June 29, 2017 1:57:17 PM
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Hi Keith,

You are correct- A is the best answer. The answer D in the back is a typo. Thank you for finding this and sorry for any confusion!

Kate
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