The stronger the perception of survey length being “just right,” the more likely respondents enjoyed the survey experience. Relationship Between Survey Length and Enjoyability Too Long/Too Short + High Enjoyment Just Right + High Enjoyment Germany ble Mexico a Peru UK y Brazil o nj e E r US Average Canada a y e Australia v Sur y an Korea All/M Japan Too Long/Too Short + Low Enjoyment Just Right + Low Enjoyment Survey Length is Just Right GRBN Global Trust Survey 2020 - UK Report © 2020 GRBN 42

GRBN Global Trust Survey 2020 - UK Report © 2020 GRBN - Page 42 GRBN Global Trust Survey 2020 - UK Report © 2020 GRBN Page 41 Page 43