/[gzz]/manuscripts/Paper/exper.txt
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revision 1.7 by jvk, Fri Feb 28 12:43:22 2003 UTC revision 1.8 by tjl, Fri Feb 28 13:09:38 2003 UTC
# Line 39  ISSUES: Line 39  ISSUES:
39            - trust the subject to read carefully?            - trust the subject to read carefully?
40            - read aloud?            - read aloud?
41            - ask questions afterwards?            - ask questions afterwards?
42    
43       - would it be better to use different texts for the three bg types?       - would it be better to use different texts for the three bg types?
44         (i.e., is the memory effect stronger than the variation between         (i.e., is the memory effect stronger than the variation between
45         the texts)         the texts)
46    
47            RESOLVED: No. If the memory effect compensates efficiently
48            for the difficulty caused by the background texture, that is
49            also an important point.
50    
51       - is the total of 2 * 6 subjects = 12 trials for each       - is the total of 2 * 6 subjects = 12 trials for each
52         (font size, bg type) pair enough to compensate the         (font size, bg type) pair enough to compensate the
53         memory effect and to obtain small enough variance?         memory effect and to obtain small enough variance?
54       - how to scale the font? should the background be scaled with it?       - how to scale the font? should the background be scaled with it?
55            
56            RESOLVED: Yes, absolutely: the background should be "fixed"
57            to the text just as in xupdf.
58    
59       - should the bg textures be assigned in random order to the texts       - should the bg textures be assigned in random order to the texts
60         for each subject?         for each subject?
61       - should the font sizes be assigned in random order to the textx       - should the font sizes be assigned in random order to the textx

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