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Thread: comparing section in a scale using spss

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    comparing section in a scale using spss




    Hi everyone;
    hope you are doing well,

    I am actually conducting a research, and I am comparing between a pre and post scale.
    my problem is that when I comapre I don't want to compare the items of my scale , but sections for example I have item 1 and 2 and 3 are made to measure something in my overall variable. and 4,5,6 are for something else.

    me I want to see the level of significance for the section, but I don't know how to do it in spss or any method.

    Could you help me please?
    thank you in advance.

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    Re: comparing section in a scale using spss

    Hi Rukia,

    First of all, I am not very experienced in statistical research, so there might be someone better to answer this.
    I am not sure whether your measurements are on a continues level (i.e. scale variables), but if that is the case you might be able to just create a new variable based on this.

    You would go to 'Compute variable' in SPSS. Then you would sum up the scores for Item 1, 2, 3 and average those. This gives you an average score. The same you could do for items 4, 5 and 6.

    Then, you could simply check whether there is a (significant) difference between the mean scores for these newly computed variables (123_Average and 456_Average for instance), grouped by the pre-test / post-test? However, averaging these scores assumes that indeed these items 1, 2 and 3 measure the same construct.

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    rukia (03-29-2017)

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    Re: comparing section in a scale using spss

    hi
    thanks for your reply, it is appreciated

    If I take your method, is it valid with 5 point scale? I mean my items are coded from 1 to 5 agree to strongly disagree.. I mean it is not score,, so is it valide to calculate teh average?

    thank you so much
    ah.. please would u like to show me how to do it in spss?

    thank you so much

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    Re: comparing section in a scale using spss

    please any other help?

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    Re: comparing section in a scale using spss


    are you asking about looking at subsets of your data?

    Also, you might get better spss advice in the spss forum.

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