All Stories

  1. Critical debates on fundamental problems in quantitative psychology and measurement (Special Issue)
  2. Psychology's Questionable Research Fundamentals (QRFs): Key problems beyond questionable practices
  3. Why statistics is not measurement—and how language obscures their fundamental differences
  4. Transdisciplinarity, Complexity Thinking and Dialectics
  5. What are constructs? And why are there so many confusions about them?
  6. What's wrong with rating scales? A largely overlooked source of psychology's replication problems
  7. Rating scales institutionalise a network of 12 problem complexes in psychological research practices
  8. Functions of units, scales and quantitative data: Fundamental differences in numerical traceability between sciences
  9. Data are not out there ready to be collected like mushrooms in the forest
  10. Psychometrics is not measurement - Common misconceptions mask fundamental differences
  11. Quantitative psychology under scrutiny: Measurement requires not result-dependent but traceable data generation
  12. Psychology’s Status as a Science: Peculiarities and Intrinsic Challenges. Moving Beyond its Current Deadlock Towards Conceptual Integration
  13. Measurement in metrology, psychology and social sciences: data generation traceability and numerical traceability as basic methodological principles applicable across sciences
  14. Human uniqueness explored from the uniquely human perspective: Epistemological and methodological challenges
  15. Quantitative data from rating scales: Measurement theories do not match how people generate ratings
  16. How different sciences produce their data: Commonalities and differences
  17. Leading scholars on integrating models of individual differences and mental health
  18. Models of individual differences: A guide to integrate the expertise of different disciplines
  19. Individual differences and their biological foundations: Two millenia of research
  20. Basic Definitions in Personality Psychology: Challenges for Conceptual Integrations
  21. Observing or assessing personality? Five methods study shows the differences
  22. What is behaviour? And (when) is speaking behaviour?
  23. The challenges of studying experience
  24. Fundamental challenges of modern “personality” research
  25. How the psyche enables us to become actors in our lives. Development and evolution
  26. Models of individual differences cannot explain single persons: Common mistakes and new avenues
  27. Personality psychology: The challenges of studying individuality
  28. Categorising personality differences: Basic approaches and limitations of popular models
  29. From observations of behaviour to personality ratings: Biases and limitations
  30. Studying personality in behaviour: Concepts, methods and analyses demonstrated in primates
  31. Popular personality models derived from everyday language and ratings reveal only half of the story
  32. How to extract personality differences from behavioural measures: Concepts, approaches and analyses
  33. Personality in apes and monkeys: Applying concepts, approaches and methods from human research
  34. Personality in great apes: Behaviour measures vs ratings of behaviours and adjectives
  35. Categorising and comparing personality differences within and across species: Concepts and methods
  36. Categorising personality differences: Three core issues in research methodology
  37. Commentaries on "Comparing personality differences within and across species"
  38. Measuring personality differences in behaviour: Concepts, methods and analyses shown in great apes
  39. Counting and impulse control in great apes: Memorisation and transfer of skills to new situations
  40. Impulse control in great apes: Individual Differences larger than species differences
  41. A meta-paradigm summarising key concepts of personality and integrating the field's grand theories