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What’s with all
 the numbers?
We’re musicians
      not
mathematicians!    Just don’t
                     panic!
What type of research do you think this
          title belongs to?




          Experimental
Can you identify the dependent and independent variables?
Most statistical reporting (i.e. the numbers!) in
research is one of the following:

       1.   descriptive info
       2.   result of part of the formula used
       3.   result of the total formula
       4.   confidence (significance) level




                                             Don’t panic!!
Statistical significance
 is represented as “p”

     p < .05 to be
     “significant”   Do not use the
                     word significant
                        to mean
                       important
                         EVER!
Which ones are significant and which ones are not significant?




        Examples

        p = .02

        p = .43

        p = .2
                                                         Do not use the
                                                         word significant
        p = .008
                                                            to mean
                                                           important
                                                             EVER!
Don’t panic!!
What’s going on with the numbers in this paragraph-
             what are they telling you?




  These numbers are descriptive. Remember that n
     just means “number”. These numbers are
              describing the subjects.
Read the paragraph carefully. Can you decipher it? What do the
   numbers mean? (HINT: recall what ANOVA stands for…)


                       Don’t panic!!
ANOVA = analysis of variance
                   (a test to compare how mean scores vary from each
other)

df stands for “degrees of freedom” and is part of a formula (look for two
                    numbers separated by a comma)

This is the significance (p) number – notice that it is less than .05

This is something scary looking that Dr. McLain was nice enough not to
subject us to! It is part of a formula.
Don’t panic!!

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Midterm review

  • 1. What’s with all the numbers? We’re musicians not mathematicians! Just don’t panic!
  • 2. What type of research do you think this title belongs to? Experimental
  • 3. Can you identify the dependent and independent variables?
  • 4. Most statistical reporting (i.e. the numbers!) in research is one of the following: 1. descriptive info 2. result of part of the formula used 3. result of the total formula 4. confidence (significance) level Don’t panic!!
  • 5. Statistical significance is represented as “p” p < .05 to be “significant” Do not use the word significant to mean important EVER!
  • 6. Which ones are significant and which ones are not significant? Examples p = .02 p = .43 p = .2 Do not use the word significant p = .008 to mean important EVER!
  • 8. What’s going on with the numbers in this paragraph- what are they telling you? These numbers are descriptive. Remember that n just means “number”. These numbers are describing the subjects.
  • 9. Read the paragraph carefully. Can you decipher it? What do the numbers mean? (HINT: recall what ANOVA stands for…) Don’t panic!!
  • 10. ANOVA = analysis of variance (a test to compare how mean scores vary from each other) df stands for “degrees of freedom” and is part of a formula (look for two numbers separated by a comma) This is the significance (p) number – notice that it is less than .05 This is something scary looking that Dr. McLain was nice enough not to subject us to! It is part of a formula.