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The Revised Dyadic Adjustment Scale (RDAS) is a 14-item instrument that quantifies how partners align on consensus, satisfaction, and cohesion—three empirically validated pillars of relationship adjustment established by decades of systematic marital-quality research. Scores range from zero to sixty-nine, enabling quick comparison against population norms and therapeutic cut-offs.
This single-page tool transforms each response into a numeric value, reverse-scores designated items, and sums the result to yield a total that classifies couples as “Distressed” or “Non-Distressed.” All calculations occur locally, and an interactive gauge visualises the outcome alongside descriptive interpretation for immediate insight.
Use the RDAS when you need a concise, evidence-based snapshot of relational health to inform counselling sessions, self-help planning, or longitudinal check-ups—instantly shareable without exposing private details. Provide answers reflecting the past six months to avoid transient bias. Results do not constitute a clinical diagnosis.
The RDAS condenses the original Dyadic Adjustment Scale into three factors—Consensus, Satisfaction, and Cohesion—shown by factor-analytic studies to capture core dimensions of couple functioning. Relationship quality correlates with mental health, parenting outcomes, and physical wellbeing, making reliable measurement essential in clinical and research contexts. By reverse-scoring conflict-focused items, the scale maintains unidirectional valence so higher totals uniformly signal healthier adjustment.
where equals for reverse-scored items, otherwise .
| Symbol | Meaning | Unit | Typical Range | Sensitivity |
|---|---|---|---|---|
| si | Raw response to item i | score (0–5) | 0 – 5 | High |
| s'i | Adjusted response | score (0–5) | 0 – 5 | High |
| T | Total RDAS score | points | 0 – 69 | Aggregate |
| CL | Clinical cut-off | points | 48 | Threshold |
| N | Number of items | count | 14 | Fixed |
Given raw answers (5, 4, 3, 3, 4, 3, 1, 2, 1, 0, 4, 4, 4, 3), items 7–10 are reversed:
Adjusted responses: 5, 4, 3, 3, 4, 3, 4, 3, 4, 5, 4, 4, 4, 3.
Total ; category = Non-Distressed.
The algorithm is O(N) and executes in under one millisecond on modern devices. All computation and visualisation occur client-side via a lightweight reactive engine and charting layer, avoiding network latency and safeguarding privacy.
A total above 48 suggests healthy adjustment; 48 or below indicates potential distress warranting further exploration.
No. Responses remain in your browser and are encoded only in the address bar for optional sharing.
Yes. Refresh the page or clear selections and answer again whenever circumstances change.
No. The RDAS is a screening aid; therapy decisions should consider broader context and expert input.
Reversing conflict-oriented questions aligns all items so higher values uniformly represent stronger adjustment.