20 items (15 worded for increasing anxiety, 5 worded for decreasing anxiety).
"Lea cada afirmación y decida cuánto tiempo o con qué frecuencia ha experimentado esta sensación durante la última semana. Marque con una X la respuesta que mejor describa su caso: 1 = Nunca o casi nunca; 2 = Algunas veces; 3 = Buena parte del tiempo; 4 = Casi todo el tiempo."
The Zung scales are copyrighted but often available for clinical use without licensing fee in many non-commercial settings. For official Spanish versions and scoring keys:
| Feature | Zung SDS (Depression) | Zung SAS (Anxiety) | | :--- | :--- | :--- | | | 20 | 20 | | Response Scale | 4-point Likert (1-4): 1 = Never/A little of the time 2 = Sometimes 3 = Good part of the time 4 = Most/All of the time | Same as SDS | | Item Direction | 10 positive (symptoms present) 10 negative (symptoms absent) | 5 positive (anxiety present) 15 negative (absence of anxiety) | | Time to Complete | 5-10 minutes | 5-10 minutes | | Reading Level | 5th-6th grade | 5th-6th grade |
Test De Zung Ansiedad Y Depresion Ficha Tecnica Link Jun 2026
20 items (15 worded for increasing anxiety, 5 worded for decreasing anxiety).
"Lea cada afirmación y decida cuánto tiempo o con qué frecuencia ha experimentado esta sensación durante la última semana. Marque con una X la respuesta que mejor describa su caso: 1 = Nunca o casi nunca; 2 = Algunas veces; 3 = Buena parte del tiempo; 4 = Casi todo el tiempo."
The Zung scales are copyrighted but often available for clinical use without licensing fee in many non-commercial settings. For official Spanish versions and scoring keys:
| Feature | Zung SDS (Depression) | Zung SAS (Anxiety) | | :--- | :--- | :--- | | | 20 | 20 | | Response Scale | 4-point Likert (1-4): 1 = Never/A little of the time 2 = Sometimes 3 = Good part of the time 4 = Most/All of the time | Same as SDS | | Item Direction | 10 positive (symptoms present) 10 negative (symptoms absent) | 5 positive (anxiety present) 15 negative (absence of anxiety) | | Time to Complete | 5-10 minutes | 5-10 minutes | | Reading Level | 5th-6th grade | 5th-6th grade |
