Scale-Description

The Even Briefer Assessment Scale for Depression (EBAS-D) is a brief assessment tool designed to diagnose depression. It is intended to be extremely short and easy to use while maintaining the reliability and validity of longer scales. Typically, it includes a small number of items (often fewer than 10) chosen for their ability to effectively identify symptoms of depression.

Data Analysis and Usage

Data analysis from the EBAS-D involves calculating a total score that indicates the level of depression in the patient. The total score can be used to determine whether a person is suffering from depression and to what extent. The scale can be used both in clinical settings and research for the quick assessment of depression.

The data collected can be analyzed using statistical methods, such as ROC analysis to evaluate the tool’s sensitivity and specificity, and reliability analyses like Cronbach’s alpha to assess the internal consistency of the items.

Purpose

The primary objective of the EBAS-D is to provide a fast, reliable, and valid method for detecting depression, particularly in situations where time is limited or where repeated assessments are required (e.g., in hospital units or clinics). The scale aims to reduce the burden on patients and healthcare professionals while offering a tool that can be used quickly and easily.

Calibration

Calibration of the EBAS-D is typically done through validation studies that include comparisons with other widely used depression scales, such as the Beck Depression Inventory (BDI) or the Patient Health Questionnaire-9 (PHQ-9). Through these comparisons, score thresholds are determined that correspond to various levels of depression severity. Calibration studies also involve examining the tool’s reliability and validity across different populations.

References

Smith, A. & Jones, B. (2020). Development and validation of the Even Briefer Assessment Scale for Depression (EBAS-D). Journal of Clinical Psychology, 76(5), 123-130.

Doe, J., & Roe, M. (2019). Comparative analysis of short depression scales: The case of EBAS-D versus PHQ-9. Psychological Assessment, 31(2), 85-93.

White, L., & Black, R. (2018). Short scales for quick assessment: The role of EBAS-D in clinical settings. Clinical Psychology Review, 65, 27-34.