This article systematically reviews the research design and methodological characteristics of
single-case experimental design (SCED) research published in peer-reviewed journals …

Background Within the past decade, health care service and research priorities have shifted
from evidence‐based medicine to personalized medicine. In mental health care, a similar …

In the tenth edition I knew I “had” to do a version that would be “totally the same and totally
different” in response to the best client-focused research over the last ten years.“Totally the …

Therapist responsiveness is defined as therapist behavior being influenced by emerging
context. Responsiveness is ubiquitous and creates serious problems for a ballistic, cause …

Background Like many new fields, implementation science has become vulnerable to
instrumentation issues that potentially threaten the strength of the developing knowledge …

Mixed methods single case research (MMSCR) is research in which single case
experimental and qualitative case study methodologies, and their accompanying sets of …

For many years, there have been heated debates about the best way to evaluate the efficacy
and effectiveness of psychological therapies. On the one hand, there are those who argue …

Transdiagnostic treatment is the future of psychology. Mounting evidence shows that moving
beyond treatment protocols that focus on a singular diagnosis and toward transdiagnostic …

This study explored the meaning of “good outcome” within and beyond the much-used
statistical indices of clinical significance in standard outcome research as developed by …

We, the Editors and Publisher of the journal Psychotherapy Research, have retracted the
following article: Clara E. Hill, Charles J. Gelso, Harold Chui, Patricia T. Spangler, Ann …