Gjerde, Hallvard; Gjersing, Linn; Baz-Lomba, Jose Antonio; Bijlsma, Lubertus; Salgueiro-González, Noelia; Furuhaugen, Håvard; Bretteville-Jensen, Anne Line; Hernández, Félix; Castiglioni, Sara; Amundsen, Ellen Johanna; Zuccato, Ettore (Journal article; Peer reviewed, 2019)
Background: Self-reported data are commonly used when investigating illicit substance use. However, self-reports have well-known limitations such as limited recall and socially desirable responding. Mislabeling or adulteration ...