+ Reply to Thread
Page 2 of 2 FirstFirst 1 2
Results 16 to 21 of 21

Thread: Which tests do I have to use in order to test my hypotheses?

  1. #16
    Points: 576, Level: 11
    Level completed: 52%, Points required for next Level: 24

    Posts
    25
    Thanks
    2
    Thanked 8 Times in 8 Posts

    Re: Which tests do I have to use in order to test my hypotheses?




    Pearson's correlation basically measures the strength of the correlation between two factors. In this case, I'm assuming these two factors in Pearson's correlation are employee's performance rating and the status of the relation, correct? If so, then the correlation between the given performance rating and the status of the relation is positive. Unless, of course, you're talking about significance which is a different ball game.

  2. The Following User Says Thank You to Musibrique For This Useful Post:

    Nadia1908 (11-01-2012)

  3. #17
    Points: 576, Level: 11
    Level completed: 52%, Points required for next Level: 24

    Posts
    25
    Thanks
    2
    Thanked 8 Times in 8 Posts

    Re: Which tests do I have to use in order to test my hypotheses?

    Just to be sure, what is the value of Pearson's correlation?

  4. The Following User Says Thank You to Musibrique For This Useful Post:

    Nadia1908 (11-01-2012)

  5. #18
    Points: 165, Level: 3
    Level completed: 30%, Points required for next Level: 35

    Posts
    13
    Thanks
    8
    Thanked 2 Times in 2 Posts

    Re: Which tests do I have to use in order to test my hypotheses?

    Correct! So the correlation between employee's performance rating and the status of the relation is positive.

    If you perform a t-test and the p-value is 0,532, then you accept the null hypothesis. But is the p-value is 0.001 then you should accept H1.
    When you accept H1, I would say yes there the relation positively effects the performance rating, because there is a positive correlation between employee's performance rating and the status of the relation.

    Or am I wrong?

  6. #19
    Points: 165, Level: 3
    Level completed: 30%, Points required for next Level: 35

    Posts
    13
    Thanks
    8
    Thanked 2 Times in 2 Posts

    Re: Which tests do I have to use in order to test my hypotheses?

    This is just the correlation of women.

    I have splitted my sample into man and women and perform the tests seperatly.

    And the correlation is negative.
    Attached Files

  7. #20
    Points: 576, Level: 11
    Level completed: 52%, Points required for next Level: 24

    Posts
    25
    Thanks
    2
    Thanked 8 Times in 8 Posts

    Re: Which tests do I have to use in order to test my hypotheses?

    Quote Originally Posted by Nadia1908 View Post
    Correct! So the correlation between employee's performance rating and the status of the relation is positive.
    Right!

    If you perform a t-test and the p-value is 0,532, then you accept the null hypothesis. But is the p-value is 0.001 then you should accept H1.
    When you accept H1, I would say yes there the relation positively effects the performance rating, because there is a positive correlation between employee's performance rating and the status of the relation.

    Or am I wrong?
    A p-value of 0.001 is very good statistical evidence for H1 since it has a probability of extreme or more extreme of 1,000 to 1, so you can safely reject the null-hypothesis.

    As for the conclusion, you can say there is a relationship if your independent t-test is statistically significant; however, it is important to know that the relationship may not be practically significant as you think. This is one problem with t-tests. They don't tell you how strong the relationship is, only evidence. You can, however, use Pearson's correlation to determine how strong is the effect. You can also calculate the effect-size as well, but that may be too advance for you.

  8. The Following User Says Thank You to Musibrique For This Useful Post:

    Nadia1908 (11-01-2012)

  9. #21
    Points: 165, Level: 3
    Level completed: 30%, Points required for next Level: 35

    Posts
    13
    Thanks
    8
    Thanked 2 Times in 2 Posts

    Re: Which tests do I have to use in order to test my hypotheses?


    Ok, thats clear. Thank you for your help Musibrique!! Your rock!

  10. The Following User Says Thank You to Nadia1908 For This Useful Post:

    Musibrique (11-02-2012)

+ Reply to Thread
Page 2 of 2 FirstFirst 1 2

           




Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts






Advertise on Talk Stats