Clinician guide
How to Document a Response-Guided Single-Case Phase Change
Preserve the graph, decision rule, reviewer, timestamp, clinical and access gates, rationale, implementation, deviations, and analysis limits.
Clinician Resources
Clinical guides, tools, and evidence-informed resources for thoughtful, high-quality ABA care.
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Clinician guide
How Fixed, Response-Guided, and Randomized Phase Lengths Differ
Compare three single-case phase-length mechanisms, their required records, flexibility, inference consequences, and humane welfare exception paths.
Clinician guide
What to Do When a Single-Case Baseline Never Stabilizes
Investigate measurement, opportunity, context, and genuine variability, then choose whether to wait, redesign, proceed, or stop with clear limits.
Clinician guide
How to Set a Prospective Phase-Change Rule in a Single-Case Design
Write a phase-change rule with minimum observations, design evidence, clinical readiness, access, ownership, exceptions, and a dated release record.
Clinician guide
How to Evaluate Single-Case Baseline Variability Around a Trend
Assess scatter around a baseline level or trend, identify context and measurement causes, and decide whether the series supports useful prediction.
Clinician guide
How to Evaluate Therapeutic Trend During a Single-Case Baseline
Define the desired direction, inspect baseline trend toward that outcome, preserve uncertainty, and explain how improvement before treatment affects inference.
Clinician guide
How to Make a Single-Case Baseline Predictability Decision
Review baseline level, trend, variability, coverage, measurement quality, and clinical gates without relying on a universal stability cutoff.
Clinician guide
How to Handle Missing Outcomes in a Single-Case Randomization Test
Handle missing single-case randomization outcomes by preserving positions and reasons, applying one rule across assignments, and reporting sensitivity and limits.
Clinician guide
How to Handle a Protocol Deviation After Single-Case Random Assignment
Handle a single-case randomization deviation by protecting welfare, preserving assigned and delivered schedules, classifying the event, and reviewing analyses.
Clinician guide
How to Handle Unequal Assignment Probabilities in a Single-Case Randomization
Handle unequal single-case assignment probabilities by preserving the weighted draw, summing probability mass for the tail, and avoiding unweighted schedule counts.
Clinician guide
How to Randomly Assign Cases to Fixed Multiple-Baseline Staggers
Randomly assign enrolled cases to fixed multiple-baseline start positions, preserving the permutation set, probabilities, draw, contextual limits, and analysis.
Clinician guide
How to Randomize a Changing-Criterion Schedule
Randomize a changing-criterion schedule with design-specific step values, timing, permissible sequences, the prospective draw, safety limits, and review.
