Chapter 1 the study of collocations

4.2.2.1.2  Friedman Test for the Essay Data - Group 2 
 
The results of the Friedman test for Group 2 show a significant difference 
in the use of the 37 types of collocation in the students' essays (Friedman c
2
 (36, 
N = 37) = 1823.796, p = .0001).  Nemenyi's multiple comparisons tests based on 
the Friedman rank sums were performed on the data.  The results of these tests 
are summarised below in Table 4.24.  The results show types 11. SV(O) Prep O, 
12. SV to Inf, 26. SVc, 29. Adjective Noun, and 36. Prep Det Noun to be used 
significanlty more than all the other types. 
4.2.2.1.3  Friedman Test for Group 3 - Essay Data 
 
The results of the Friedman test for Group 3 show a significant 
difference in the use of the 37 types of collocation in the students' essays 
(Friedman c
2
 (36, N = 37) = 1401.246, p = .0001).  Nemenyi's multiple 
comparisons tests based on the Friedman rank sums were performed on the 
data.  The results of these tests are summarised below in Table 35.  The results 
show that types 12. SV to Inf, 13. SV Inf, and 26. SVc are used significantly more 
than all other types. 

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