We also made a 3x2   Table 6 are under 5%, it is confirmed that there exists associations among expression patterns and impressions for each readership.
the strength of the associations is low as for the respondents with readership "engineer" or "researcher", who have expertise, because of lower values of Cramer's V, while the strength of the association is high as for those who has readership "unconcerned" or "commoner" because of higher values of V. Because all graphs slope up from left to right in Figures 1, 2 and 3, the expression pattern 2.0 (expressing what the purpose of the technology is) is the most effective to make a title impressive (more precisely, regarded as "comprehensible", "evoked positive feelings" and "interesting") for readers with most of readership, especially the "unconcerned" readers or "commoner".