The same researcher wants to know if the KLOTZ test orders learners the same as a standardized test on the same subject matter (the SCHLEIM test). The researcher employs 30 subjects, who take each of the two tests. From the results, the researcher rank orders the learners and prepares for the Pearson r statistic. 

Use the ASCII data at "j:\ling\msdos\otherdata\corstudy2.txt" for a complete data list.

Data file: corstudy2.sav
Variables: KLOTZ, SCHLEIM

KLOTZ      SCHLEIM
1                1
2              2.5
3              2.5
4                4
5                5
6                6
8              7.5
8              7.5
(Data continue.)

Answer the following questions:

1. Is the researcher trying to determine the validity of the KLOTZ test? Explain in full.
 
 
 

2. The researcher wants to run a Pearson r on these data. Do the data meet the required assumptions of the Pearson r? What statistic could the researcher run?
 
 
  

3. Is this problem one-tailed or two-tailed? Explain.
 
 

4. Calculate whatever statistic is legitimate for these data and write the result below.
 
 
 

5. Is this result significant; and, if so, what is the probability that it occurred by accident?