Martin Caust

Selected graphs 6.4

 

 

 

 

 

 

 

 

 

 

 

 

 

The graph illustrates the mean score for each age group (in 0.1 of a year) derived from the model developed in Chapter 6.  For the thesis  a data set was developed to attempt to illustrate what seems to happen (or might happen in this case) if all students in Year levels 1 to 8 were tested in 'Literacy' at the same time.  Actual data were only available for Year levels 3 and 5 (and 7 from a later calendar year).  The framework (the red line) for the model is developed from a number of sources (see Chapter 6).  The red line is also the idealised line of the age group means when Year level is ignored (tails and kick-ups are 'smoothed' out).

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