Clinician guide
How to Compare Concurrent and Nonconcurrent Multiple-Baseline Evidence
Compare shared-time controls, tier timing, baseline overlap, historical threats, assignment, and replication in concurrent and nonconcurrent designs.
Clinician Resources
Clinical guides, tools, and evidence-informed resources for thoughtful, high-quality ABA care.
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Clinician guide
How to Interpret Nonoverlap Without Replication in a Single-Case Design
Explain why complete separation across one AB transition can be striking yet insufficient for a functional relation and identify missing evidence.
Clinician guide
How to Interpret Overlap When Single-Case Trend Changes
Keep overlap and trend separate, show which values overlap and how direction changes, and avoid letting either graph feature erase the other.
Clinician guide
How to Review Carryover Between Single-Case Phases
Identify persistence from a prior condition, inspect transition data and sequence, protect supports, and explain how carryover changes design interpretation.
Clinician guide
How to Distinguish Immediacy From Overall Level Change
Separate boundary-window change from the full-phase level comparison, keep matching windows and raw data, and explain why the features can disagree.
Clinician guide
How to Interpret a Delayed Effect After a Single-Case Phase Change
Define latency after a single-case phase change, inspect implementation and plausible response dynamics, preserve intervening points, and limit inference.
Clinician guide
How to Evaluate Consistency Across Single-Case Replications
Compare direction, magnitude, immediacy, trend, variability, overlap, context, and implementation without averaging away a weak replication.
Clinician guide
How to Count Demonstrations of Effect in a Single-Case Design
Map each planned phase comparison or tier replication and avoid counting points, participants, or summaries as demonstrations of a single-case effect.
Clinician guide
How to Identify a Basic Effect in Adjacent Single-Case Phases
Compare adjacent single-case phases across level, trend, variability, immediacy, overlap, measurement quality, timing, and alternative explanations.
Clinician guide
How to Use Masked Visual Review for a Baseline Decision
Define reviewer-visible information, collect independent readiness judgments, preserve disagreement and unmasking, and state what masking can address.
Clinician guide
How to Reduce Regression-to-the-Mean Risk in a Single-Case Phase Change
Avoid changing phase solely after an extreme point, preserve the series and rule, and interpret post-change movement with ordinary fluctuation in view.
Clinician guide
How to Review Floor and Ceiling Effects in a Single-Case Baseline
Detect scale-bound compression, review opportunity and task difficulty, and decide whether apparent stability reflects behavior or a measurement limit.
