Empirical research on parental alienation: A descriptive literature review

•Mostlyquantitative, retrospective and cross-sectional design.•Main themes focused: parental alienation patterns and impact.•Other themes focuses: measures development; professionals’ perspectives. Scientific literature has pointed to a growing body of empirical studies that contribute to an accurate mapping of parental alienation. This descriptive literature review of empirical research on parental alienation - in peer-reviewed scientific journals between January 2000 and December 2018 – seeks to characterize the research methodologies and to provide a summary of the main research themes. Several academic databases (B-On: Online Knowledge Library–Search, Ovid, ProQuest, Web of Knowledge, PsycINFO and Google Scholar) were systematically searched and the review followed the PRISMA guidelines for reporting systematic reviews and meta-analyses. Forty-three studies were included, the majority of them following a quantitative, retrospective and cross-sectional design. Parental alienation was mainly associated with divorce and child custody dispute contexts. Results also revealed the main themes targeted by empirical research: Development and use of assessment measures for parental alienation; Parental alienation patterns; Validation of the parental alienation syndrome construct; Parental alienation impact; Parental alienation viewed as child abuse; Professionals’ voices and maps on parental alienation. Limitations and recommendations for future research on parental alienation are discussed, highlighting common themes and research gaps.