Self-Disclosure Index – SDI

Q: How many questions does the Self-Disclosure Index – SDI have?

The Self-Disclosure Index – SDI contains 10 items and takes approximately 3 minutes to complete.

Q: How is the Self-Disclosure Index – SDI scored?

Scores range from 10 to 50. Interpretation levels: Low Self-Disclosure (10-22), Moderate Self-Disclosure (23-37), High Self-Disclosure (38-50).

Q: Is the Self-Disclosure Index – SDI free?

Yes, this assessment is completely free. You will receive your results immediately after completion, with an optional AI-powered personalized interpretation.

Mohammed looti

Scale Development & Technical Details

Scale Overview

The Self-Disclosure Index – SDI was developed by Lynn C. Miller, John H. Berg, & Richard L. Archer (1983). It is designed to measure Self-disclosure. The scale is intended for use with Adults in romantic relationships.

Scale Structure

This instrument consists of 10 items.

Response Format

Respondents rate each item using a custom response format.

Response anchors: 5 = Strongly agree, 4 = Moderately agree, 3 = Neutral – neither agree or disagree, 2 = Moderately disagree, 1 = Strongly disagree.

Scoring

Items are summed to produce a total score.

Total scores range from 10 to 50. Interpretation guidelines:

Low Self-Disclosure: 10 – 22
Moderate Self-Disclosure: 23 – 37
High Self-Disclosure: 38 – 50

Administration

The scale is self-administered and typically takes approximately 3 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.