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APA PsycTests APA PsycTests is a searchable database of psychological tests, scales, and measures developed by researchers and clinicians. Many records include full items, scoring information, and citations; access typically requires an institutional subscription. Best for: Clinical and psychological constructs; reviewer-recognized measures APA.ORG/PSYCTESTS International Personality Item Pool (IPIP) The IPIP is an open-access repository of personality measures designed to approximate widely used proprietary scales (e.g., Big Five, HEXACO). Scales are freely available, well documented, and commonly used in personality psychology and related social science research. Best for: Personality traits; open-access alternatives to proprietary scales IPIP.ORI.ORG Management Scales The Database of Management Scales and Measures, created and maintained by Dr. Jeff Miles, includes more than 4,400 scales and is searchable by construct, author, theory, journal, and year. Best for: Organizational behavior, management, leadership research AOM.ORG/ARCHIVED Marketing Scales | 13-Volume Series One of the most comprehensive resources for marketing and consumer behavior measures is the Marketing Scales Handbook series, curated by Gordon C. Bruner. Thirteen volumes have been published since 1992, covering more than 40 years of scales reported in top marketing journals, primarily in consumer psychology. In total, the series describes and reviews over 6,000 scales. The books are referred to as volumes rather than editions because each publication introduces new measures to the series, rather than revising prior content, particularly from Volume 7 onward. 2025 Sample here. Best for: Marketing constructs; consumer behavior scales SCALERESEARCH.SIU.EDU Marketing Scales Handbook | Sage Publication The Handbook of Marketing Scales: Multi-Item Measures for Marketing and Consumer Behavior Research, edited by William Bearden, Richard Netemeyer, and Kelly Haws, offers a clear and user-friendly collection of multi-item, self-report measures widely used in marketing and consumer behavior research. The third edition (2010) includes more than 150 scales, with over 70 newly added based on demonstrated usage and citation in scale-development research. Each scale is accompanied by standardized information on construct definition, development, samples, validity, scoring, and references. In addition to serving as a practical guide for locating established measures, the volume highlights areas where new scale development is needed, encouraging continued refinement and validation of marketing constructs. Best for: Foundational marketing and consumer behavior measures US.SAGEPUB.COM NIH Measurement Toolkits (PROMIS & PhenX) The National Institutes of Health provide rigorously validated measurement systems through PROMIS and the PhenX Toolkit. These standardized instruments assess psychological well-being, mental health, stress, and social functioning and are widely used across psychology, sociology, and public health. Best for: Well-being, health, and cross-study comparability HEALTHMEASURES.NET PHENXTOOLKIT.ORG Open Science Framework (OSF) | Measures & Materials Maintained by the Center for Open Science, OSF hosts openly shared study materials, instruments, and scales linked to pre- registrations and published research, supporting transparency and replication. Best for: Replication, transparency, and accessing measures used in recent studies OSF.IO/SEARCH Statistical & Analysis Tools Andrew F. Hayes, Ph.D. Tags: mediation · moderation · conditional process · PROCESS A foundational scholar in mediation, moderation, and conditional process analysis, Andrew F. Hayes is widely known for developing the PROCESS macro (v5.0), a free computational tool available for SPSS, SAS, and R. PROCESS has become a standard analytic resource across the behavioral sciences, business research, medicine, and public health, as it greatly simplifies the estimation and interpretation of mediation, moderation, and conditional process models. Hayes also offers extensive training and workshops (via Statistical Horizons) and a range of free academic resources. AFHAYES.COM PROCESSMACRO.ORG CARMA (Consortium for the Advancement of Research Methods & Analysis) Tags: statistics · methods training · short courses The Financial Times Visual Vocabulary is a practical guide to effective data visualization, outlining chart types based on analytical goals such as comparison, distribution, correlation, change over time, and flow. It is especially useful for selecting appropriate visual forms and for improving data-driven storytelling in research and teaching. CARMATTU.COM Data Visualization | Financial Times Tags: visualization · data communication · charts A widely adopted guide for selecting appropriate chart types based on analytic goals, useful for both research dissemination and teaching. FT.COM/VISUALGUIDE (PDF) Discriminant Validity Calculator Tags: validity · measurement assessment · latent variables This HTMT (heterotrait–monotrait) ratio calculator provides a modern criterion for assessing discriminant validity between latent constructs in variance-based structural equation modeling. Developed by Henseler, Ringle, and Sarstedt, it compares correlations across constructs to help determine whether variables are empirically distinct. This technique has been shown to outperform traditional methods like the Fornell-Larcker criterion. HENSELER.COM Effect Sizes (Daniël Lakens) Tags: effect sizes · reporting · replication An open-access primer on calculating and reporting effect sizes for t-tests and ANOVAs, including downloadable tools. A direct link to the Excel ‘Effect Sizes’ spreadsheet is available here. DANIELLAKENS.BLOGSPOT.COM Johnson–Neyman Technique Tags: moderation · interactions · probing effects · visualization The Johnson-Neyman (JN) technique is used to examine how a continuous moderator influences the relationship between a focal predictor and an outcome variable. This freely available Excel workbook makes implementing the JN technique accessible to researchers without programming experience or access to advanced (and costly) statistical software. The tool relies on a specific covariance estimator (HC3), allowing for a flexible, one-size-fits-all application. User burden is intentionally minimal, researchers simply input raw data and generate figures with a single click within the macro-enabled worksheet, while advanced users can inspect intermediate calculations. Outputs include regression summaries, regions-of-significance plots, simple-slopes visualizations, and built- in error checks. EXCEL MACRO-ENABLED WORKSHEET PANGEA (Power Analysis for General ANOVA Designs) Tags: power analysis · ANOVA · experimental design A flexible power-analysis tool capable of handling complex ANOVA designs, including crossed and nested factors. JAKEWESTFALL.SHINYAPPS.IO/PANGEA PSYCHOLOGY FIELD TOOLS Tags: Python · syntax · neuroscience · experimental methods These tools are open-source platforms widely used in experimental psychology, cognitive science, and neuroscience to design and run precisely controlled behavioral experiments. Together, they support the presentation of visual and auditory stimuli, accurate timing, and participant interaction, making them especially valuable for experimental, perceptual, and lab-based research. PSYCHTOOLBOX.ORG PSYCHOPY.ORG Structural Equation Modeling (SEM: AMOS, SmartPLS) Tags: SEM · CFA · path modeling · latent variables Structural Equation Modeling is a widely used analytical approach in marketing and consumer research. AMOS supports covariance- based SEM, while SmartPLS enables variance-based (PLS) modeling. Brief guides and screenshots are provided for both. AMOS is a visual SEM tool integrated with SPSS that lets you build and estimate structural models with drag-and-drop simplicity. Alternatively, SmartPLS is a point-and-click tool for partial least squares SEM, useful for complex models, smaller samples, and models with formative constructs. Since SEM is highly sensitive to outliers, it’s recommended to measure Mahalanobis distance. This statistical measure helps justify data screening decisions before SEM estimation. IBM.COM/AMOS SMARTPLS.COM Mahalanobis distance Writing Guide for Linear Regression Tags: communication · statistics · methods A widely regarded expert in quantitative psychology, Dr. Amanda Kay Montoya (UCLA) has a host of preprints and files that include helpful guidance on model (mis)specification, bootstrap confidence intervals, writing guides for linear regression- and everything in between. She also has a wealth of information, including SPSS/ SAS macros, on her site: AKMontoya.com