Matched and Fully Private? A New Self-Generated Identification Code for School-Based Cohort Studies to Increase Perceived Anonymity

  title={Matched and Fully Private? A New Self-Generated Identification Code for School-Based Cohort Studies to Increase Perceived Anonymity},
  author={Mar{\'i}a Calatrava and Jokin de Irala and Alfonso Osorio and Edgar Benitez and Cristina Lopez-Del Burgo},
  journal={Educational and Psychological Measurement},
  pages={465 - 481}
Anonymous questionnaires are frequently used in research with adolescents in order to obtain sincere answers about sensitive topics. Most longitudinal studies include self-generated identification codes (SGICs) to match information. Typical elements include a combination of letters and digits from personal data. However, these data may make the participant feel that their answers are not truly anonymous, and some studies using these types of SGICs have been perceived as not entirely anonymous… 
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