Chapter 1 the study of collocations

 Type 
4. 
Preposition Noun - Results of the Kruskal-Wallis test for 
numbers of tokens of Preposition Noun collocations used in the subjects' essays 
show a significant main effect for the factor Group (Kruskal-Wallis c
2
 (2, N = 
275) = 19.104, p = .0001).  The table of means, Table 25, shows that subjects in 
Group 2 used more collocations of this type in their essays that subjects in 
 
250

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Group 1, and subjects in Group 1 used more collocations of this type than 
subjects in Group 3.  The results of the post-hoc Dunn's multiple comparisons 
procedure show significant differences in numbers of tokens of this type used 
between Groups 1 and 2, and between Groups 2 and 3, but not between Groups 
1 and 3  (see Table 2.5).