REPORTING AND THESIS WRITING
DETERMINING EXPERIMENTAL AND SAMPLE DESIGNS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Two essential features of all statistically designed experiments are
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compare several treatments and use the double-blind procedure
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compare several treatments and use chance to assign subjects to treatments
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always have a placebo group and use the double-blind method
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use a block design and use chance to assign subjects to treatments
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use enough subjects and always have a control group
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Explanation:
Detailed explanation-1: -The correct option is (e). using enough subjects; always having a control group.
There is 1 question to complete.