diff --git a/03_data/README.md b/03_data/README.md index a30fb6d..9273c39 100644 --- a/03_data/README.md +++ b/03_data/README.md @@ -47,10 +47,16 @@ https://kmrc.qualtrics.com/: ### Sample 2 data files -Subjects from the first wave that did not participate in the following waves -were again invited after... +After wave 3, we re-invited wave-1 participants for waves 4–6 to increase +statistical power for questions that did not require participation in all six +waves. This departed from our original plan to invite only participants from the +immediately preceding wave because ongoing monitoring showed that many non-users +remained non-users and that relatively few participants perceived AI as a social +actor. To capture more contemporary usage and obtain sufficient variation for +research questions filtering for individuals that perceived AI as a social +actore, we broadened recruitment in wave 4 to all wave-1 participants. Sample 2 +therefore contains only participants with at least one missing wave. - ## Download settings in Qualtrics