Experimental design is of critical importance to a successful experiment. The im

Question

Experimental design is of critical importance to a successful experiment. The images below represent several potential experimental designs. There are two treatments represented by the colors red and blue. Circles represent samples to be analyzed. Squares represent incubation chambers where the samples are kept. If no square is present, the samples are kept within a single chamber.

Which of the following experimental designs are acceptable for testing the effects of red and blue treatments?

CHOOSE ALL THAT APPLY:

Explanation / Answer

Option 1st, 4th and 5th are correct. Here effects of both red and blue treatments is to be tested and therefore both the sample should be kept with each other. Here in option 2nd both sample has been placed but in separate chamber and thus this is not acceptable. In option 3rd, both the sample has been placed in a single chamber but the samples are not mixed they have kept seperately and thus this is also not acceptable.

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