according to table 3,the average of thai readers' perception of legibility of all three font types is 5.241 while that of the non-thai is slightly higher 5.675 the average of thai readers' perceived legibility of the serif,sans serif,and script font types are 5.405,5.623,and 4.260,respectively. those of the non-thais are 5.956,5.994,and 4.650. although it seems that the non-thai readers perceived the legibility of the three fonts at a higher extent than did the thai counterpart,the hypothesis testing would help confirm whether the differences are statistically different