Pouzdanost i validnost upitnika Spilbergerovih skala anksioznosti u populaciji studenata i nepsihotičnih psihijatrijskih ambulantnih pacijenata iz Srbije
Sažetak
Anksioznost je urođena emocionalna i kognitivna reakcija koja čoveku omogućava da se izbori sa svakodnevnim situacijama, međutim, anksioznost, takođe, može biti i patološki odgovor. Iako seupitnik Spilbergerovih skala anksioznosti (STAI) najčešće koristi u ispitivanju prisustva/odsustva anksioznosti, ne postoji dovoljno istraživanja sprovedenih na zdravom i/ili bolesnom stanovništvu Srbije, a koja bi ukazivala na pouzdanost i validnost ovog testa. Zato, cilj ovog istraživanja bio je utvrđivanje normativnih vrednosti STAI skala (stanje i osobina) i utvrđivanje njihove pouzdanosti i validnosti u ispitivanoj grupi univerzitetskih studenata i nepsihotičnih psihijatrijskih pacijenata. Vrednosti dobijene iz dva različita uzorka, koje nisu pokazivale normalnu distribuciju, bile su statistički značajno različite. Analiza ROC (Receiver Operating Characteristic) krive otkrila je da su vrednosti površine ispod krive (AUC) za obe skale veće od 0,85, pri p<0,001, a izračunate granične vrednosti za prisustvo anksioznosti su iznosile 38,5 za S-skalu, odnosno 45,5 za T-skalu. Dodatna analiza podataka pokazuje, prema koeficijentu intraklasne korelacije, da S-skala ima umerenu pouzdanost (0,713), a da T-skala ima dobru pouzdanost (0,858). Takođe, Spilbergerove skale anksioznosti (STAI) za pacijente koji pate od anksioznih poremećaja ukazuju na prisustvo anksioznosti sa koeficijentom alfa većim od 0,9. Izračunata validnost, interna doslednost, i pouzdanost za prevedene na srpski STAI skale su zadovoljavajuće, a što znači da se korišćenjem prevedenih STAI skala mogu jasno utvrditi promene u stepenu anksioznosti kod pacijenata koji pate od neurotskih, stresom povezanih i somatoformnih poremećaja.
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