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Thread: What statistical test should I use for this data?

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    Question What statistical test should I use for this data?




    Two groups (group A; group B) are given two treatments (M) and (B), and a control (Control) in different orders. Then the weight of food they consume will be recorded.

    NB: They are given one treatment (or control), then 15 mins later given another treatment (or control).

    Day 1
    Group 1 - M-Control
    Group 2 - M-B

    Day 2
    Group 1 - M-B
    Group 2 - M-Control

    Day 3
    Group 1 - Control-Control
    Group 2 - Control-B

    Day 4
    Group 1 - Control-B
    Group 2 - Control-Control

    I have several questions:

    Since there are no different dosages involved, I am assuming I will not be using ANOVA (?). I am just comparing the two means of food intakes between each treatments.

    It should therefore be a t-test for difference of two means, dependent samples (paired t-tests) ?

    Would this be deemed a crossover study? I think Day 1 and Day 2 are crossovers; Day 3 and Day 4 are cross overs.

    Thus, should I be comparing
    - Day 1 against Day 2; Day 3 against Day 4
    - All against all?

  2. #2
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    Re: What statistical test should I use for this data?


    Actually I could use ANOVA right?

    I could compare the results for all treatments given to Group 1; compare results for all treatments given to Group 2
    Then compare each treatment against each other. Would that make sense though? Please help!

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