deletions | additions       diff --git a/section_Data_collection_This_section__.tex b/section_Data_collection_This_section__.tex  index 4e33343..65879b4 100644  --- a/section_Data_collection_This_section__.tex  +++ b/section_Data_collection_This_section__.tex 
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The tests were given to 236 pupils in the Danish school system grade six through ten from two different schools. For one of the schools, the headmaster were simply asked if the school wanted to participate in this study, while at the other school, a teacher was asked for permission to hand out and instruct the pupils. According to national GPA data, one of the schools were a little above average, while the other was a little below.   \subsection{Test administration}  For test sessions one of us administered the tests so the administration was standardized. However for the 7th, 8th 7^{th}, 8^{th}  (A and B) and 9th 9^{th}  grade at GS, test administration was done by a teacher, who were told to give the same instructions as was given to the rest of the pupils. Said teacher was present at one of the previous test sessions as to minimize errors while administering the tests. \subsection{Test methodology}  The tests were filled out with pen and paper, which were later digitized manually. If more than one answer or no answer was marked on the test it counted as "not correct". The age of the pupils at the time the test was administered and the results were computed, which will be described in section~\ref{sec:analysis}.  
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You may take as long as you need to finish this test.   \end{quote}  The last part was done to ensure that, the pupils had understood the third question. From a pilot run, nearly all students in a 6th 6^{th}  grade asked for the meaning of this question, so it was estimated that this question had to be explained.