3.2. Sample screening
To identify respondents who had engaged in user innovation, weapplied a refined version of a procedure initially developed in the United Kingdom (von Hippel et al., 2012). The screening procedure first casts a broad net to increase the chance of capturing any product developments or modifications of respondents. Then, careful screening is applied to eliminate any false positives captured.At the start of our questionnaire we stated: “The following questions relate to any creative activities in your leisure time. Youmay have created any products or applications for personal use, tohelp other people, to learn or just for fun”. Respondents’ recall was assisted by offering a list of nine specific cues: had they createdany (1) computer software; (2) household fixtures or furnishing;(3) vehicle-related; (4) tools or equipment; (5) sports, hobby orentertainment; (6) child or education related; (7) health, care ormedical; (8) food or clothing; or (9) any other items. We asked ifrespondents had created any of these items for personal use in thepast three years.Out of the 2048 respondents, initially 624 reported at least onecreation
3.2 3.2. Sample screening
To identify respondents who had engaged in user innovation, weapplied a refined version of a procedure initially developed in the United Kingdom (von Hippel et al., 2012). The screening procedure first casts a broad net to increase the chance of capturing any product developments or modifications of respondents. Then, careful screening is applied to eliminate any false positives captured.At the start of our questionnaire we stated: “The following questions relate to any creative activities in your leisure time. Youmay have created any products or applications for personal use, tohelp other people, to learn or just for fun”. Respondents’ recall was assisted by offering a list of nine specific cues: had they createdany (1) computer software; (2) household fixtures or furnishing;(3) vehicle-related; (4) tools or equipment; (5) sports, hobby orentertainment; (6) child or education related; (7) health, care ormedical; (8) food or clothing; or (9) any other items. We asked ifrespondents had created any of these items for personal use in thepast three years.Out of the 2048 respondents, initially 624 reported at least onecreation
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