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Adjusting score manually is possible but not recommended, because it can be more complicated than it seems at a first glance, especially if gender is important criterion for making similar groups.
There are two ways to adjust score manually:
1. Changing the value in the "Score" column directly in the working area of Divider.
2. Selecting the pupil name (or any other cell in his or her row) and using "Score up" or "Score down" buttons which are located on the right corner of the "Score and rank" tab. If order in the table is not set according to values in the score column, pressing these buttons will reorder the data in that way.
There is one very important notice about this if gender is important criterion for making groups: During the scoring process, gender is transformed to a number (to calculate the score), so for example if gender is set as the first and most important criterion, after scoring all female pupils will be on the top of the table:
This is happening because female gender is transformed into "999", and male into "111" when score is calculated and this by itself is not a problem as it won't affect equality of groups adversely (actually it has a positive effect). However, not taking this into consideration during manual score adjustment might have severe adverse effects. For example, in the situation from the picture above: if we use "Score up" button to move Elijah on the second place (as his IQ implies), after making groups his group is very likely to have one female pupil less than it should (because Elijah took that place). Similar situation can occur even if gender is not the most important criterion but second, third or fourth criterion. As a general rule (for adjusting score): gender effect on score should be ignored, but it is not always clear how to do that especially if criteria significance allows mixing between parameter values. It is safe to change pupil order between same gender, e.g. in the picture above to place Belle above Stella, or Elijah below Beckett if you think that is necessary, as long as they don't jump over different gender pupils. Otherwise gender significance might be undermined.