Very low response rate due to … | … amount of time needed to answer questionnaire |
… misunderstandings of the purpose of the survey | |
… possible incomprehensibility or complexity of the questionnaires | |
… time passed between publication and survey | |
… the changing of the position of the author(s) towards PTA | |
… author(s) do not understand the methodological relevance of SRRs | |
… authors explicitly rejecting approach of SRR | |
Coding validation errors/hindrances on behalf of the reviewer(s), due to … | … potential interpretation errors (coder misunderstood content of read paper) |
… potential subsumption errors (coder subsumed a reason mention under wrong code) | |
… potential transcription errors (coding wrongly transcribed from data base) | |
Coding validation errors/hindrances on behalf of the author(s)/participant(s), due to … | … carelessness when answering the survey |
… misunderstandings concerning the coding system | |
… not having (re-)read the paper, and not having re-familiarised oneself with what the paper actually say | |
Coding validation errors/hindrances on behalf of the reviewer(s) and the author(s)/ participant(s), due to … | … potential differences in the way a reason is coded by reviewers and by authors |
… different understanding of the reason (and its implication relevant for coding) |