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Replication in Evidence-Based Aphasia Treatments.

Stephanie Karidas1, Jacqueline J Hinckley2, Izabelle Brekher1

  • 1Department of Speech-Language Pathology, Gannon University, Ruskin, FL.

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PubMed
Summary
This summary is machine-generated.

Replication of aphasia treatments is alarmingly low. Direct and conceptual replications are rare, hindering evidence-based practice development in speech-language pathology.

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Area of Science:

  • Speech-Language Pathology
  • Neuroscience
  • Rehabilitation Science

Background:

  • Evidence-based practice in aphasia treatment relies on replicated findings.
  • Replication ensures the reproducibility of research methodologies and outcomes.
  • The American Speech-Language-Hearing Association Practice Portal lists vetted aphasia treatments.

Approach:

  • A critical review evaluated replication of aphasia treatments from the ASHA Practice Portal.
  • Databases searched included Academic Search Premier, ProQuest Central, CINAHL Complete, and ERIC.
  • Studies were coded as direct, conceptual, failed, or no replication based on stimuli, materials, design, and statistical analysis.

Key Points:

  • Out of 18 treatment approaches reviewed, 14 showed some form of replication.
  • Direct replications constituted only 1.5% of the 188 included studies.
  • Conceptual replications were more frequent but still low at 22.8%, with 73.4% showing no replication attempt.

Conclusions:

  • Direct and conceptual replications of aphasia treatments are critically low.
  • Increased emphasis on replication is recommended to strengthen evidence-based practice.
  • A centralized replication database could enhance accessibility and encourage more replication studies.