Role of Psychometric Assessments in Evidence-Based Practice Examined
“Psychometric assessment is central to EBP, providing structured, standardised methods for assessing symptoms, functioning, and change. These tools support diagnosis, formulation, treatment planning, and multidisciplinary communication, and depend on strong reliability, validity, and standardisation (Groth & Wright, 2016; Goldstein et al., 2019). Measures such as the PHQ-9 (Kroenke et al., 2016) and GAD-7 (Spitzer et al., 2006) exemplify well-validated instruments; the PHQ-9 demonstrates strong reliability, validity, and a stable unidimensional structure across groups (Kocalevent et al., 2013), supporting its use in routine outcome monitoring (ROM). Large-scale studies highlight real-world value: Jia et al. (2020) used validated self-report measures to identify elevated mental health difficulties during COVID-19, demonstrating how psychometric tools can capture population-level changes in psychological distress. while Kendrick et al. (2009) showed widespread PHQ-9 use in UK primary care, albeit with interpretive variability. ROM enables data-informed decisions, early detection of non-response, and evaluation of effectiveness, though it may be constrained by time pressures, administrative burden, and concerns about reducing complex experiences to scores (Rye et al., 2019).”
Summary
Psychometric assessment is recognized as a core component of evidence‑based practice, offering standardized tools that aid diagnosis, treatment planning, and multidisciplinary communication. The PHQ‑9 and GAD‑7 are consistently shown to have strong reliability, validity, and stable factor structures, supporting their use in routine outcome monitoring and large‑scale population studies. While implementation can face practical constraints and some guidelines caution against universal screening, the overall evidence confirms the claim’s validity.
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- Evidence-based assessment - PubMed
Examples are provided of how data on incremental validity and clinical utility can inform EBA. Given the central role that assessment should play in evidence-based practice, there is a pressing need for clinically relevant research that can ...
- Evidence-Based Psychological Assessment - PubMed
Comparatively little attention has been devoted to applying the principles of EBPP to psychological assessment, despite the fact that assessment plays a central role in myriad domains of empirical and applied psychology (e.g., research, forensics, ...
- Editorial: Psychometrics in psychiatry 2022: psychological therapy and psychosomatics - PMC
The contributed articles highlight ... focused on quantifying subjective psychological constructs, this Research Topic provides an important forum for advancing evidence-based assessment in psychiatry....
- Validation of the patient health questionnaire-9 and the generalized anxiety disorder-7 in Lithuanian student sample - PMC
However, its sensitivity in detecting ... was reported in a large Dutch sample of the general population [53]. Validity of the GAD-7 was not confirmed for anxiety screening in acute psychiatric settings [54]. In a study of Arabic speaking psychiatric outpatients, the PHQ-9 was ...
- The Patient Health Questionnaire Anxiety and Depression Scale (PHQ-ADS): Initial Validation in Three Clinical Trials - PMC
Although originally developed as ... disorder, and posttraumatic stress disorder.23 The PHQ-9 and GAD-7 have strong internal and test-retest reliability as well as construct and factor-structure validity.20 Moreover, both measures have proven sensitive to change when monitoring ...
- What do the PHQ-9, the GAD-7 and their variants miss in assessing young people presenting to youth mental health services? - ScienceDirect
The PHQ-2, GAD-2, and PHQ-4 correlated strongly with the full versions of these measures and had strong internal consistency. Construct validity was noted for all variants of the PHQ-9 and GAD-7.
- Accuracy of Patient Health Questionnaire-9 (PHQ-9) for screening to detect major depression: individual participant data meta-analysis | The BMJ
Screening for depression in primary care is recommended in the US,39 but national guidelines from Canada and the UK advise against routine screening for depression.4041 Those guidelines cite the lack of evidence of benefit from well conducted randomized controlled trials, as well as conc
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