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. 2021 Jul 9;16(7):e0254117. doi: 10.1371/journal.pone.0254117

Table 1. Search strategies per literature database.

Database and search terms (subject headings and free text words)
CINAHL: ((MH "Shyness") OR (MH "Social Isolation") OR (MH "Social Isolation (Saba CCC)") OR (MH "Impaired Social Interaction (NANDA)") OR (MH "Social Isolation (NANDA)")) AND ((MH "Clinical Effectiveness") OR (MH "Treatment Outcomes") OR (MH "Effect Size") OR (MH "Outcome Assessment") OR (MH "Outcomes (Health Care)+") OR (MH "Intervention Trials") OR (MH "Program Evaluation") OR (MH "Evaluation+") OR (MH "Course Evaluation") OR (MH "Evaluation Research+"))
Embase: (shyness/ OR introversion/ OR psychosocial withdrawal/ OR loneliness/ OR social isolation/ OR internalization/) AND (treatment outcome/ OR measurement/ OR intervention study/ OR program evaluation/ OR program effectiveness/ OR program efficacy/ OR evaluation research/ OR evaluation study/ OR course evaluation/)
Eric: (shyness/ OR extraversion introversion/ OR "withdrawal (psychology)"/ OR Social isolation/) AND (effect size/ OR efficiency/ OR outcome measures/ OR treatment duration/ OR treatment outcome/ OR treatment response/ OR measurement/ OR intervention/ OR program administration/ OR program effectiveness/ OR program evaluation/ OR evaluation/ OR evaluation research/ OR course evaluation/ OR courses/ OR "outcomes of treatment"/ OR efficiency/)
PsycINFO: (timidity/ OR introversion/ OR social anxiety/ OR "inhibition (personality)"/ OR loneliness/ OR social isolation/ OR timidity/ OR approach avoidance/ OR internalization/) AND ("effect size (statistical)"/ OR Efficiency OR intervention/ OR program evaluation/ OR treatment/ OR evaluation/ OR course evaluation/)
PubMed: ("Shyness"[Mesh] OR "Introversion (Psychology)"[Mesh] OR "Inhibition (Psychology)"[Mesh] OR "Loneliness"[Mesh] OR "Social Isolation"[Mesh] OR "Social Communication Disorder"[Mesh] OR "Adjustment Disorders"[Mesh] OR "Emotional Adjustment"[Mesh]) AND ("Treatment Outcome"[Mesh] OR "Program Evaluation"[Mesh] OR "Outcome Assessment (Health Care)"[Mesh] OR "Outcome and Process Assessment (Health Care)"[Mesh] OR "Patient Outcome Assessment"[Mesh] OR "Self-Evaluation Programs"[Mesh] OR "Efficiency"[Mesh])