The lexical hypothesis: why did personality research start by counting words in a dictionary?

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Idiographic versus nomothetic: should the field study one life in depth or thousands of people with statistics? Most personality data comes from WEIRD undergraduates: how much does that limit the science? Psychodynamic ideas keep sneaking into modern research: what is the honest scorecard? The field still cannot agree on what personality is: does the definitional fight actually matter? How did the Big Five go from contested research program to textbook standard in a single decade? Mischel's 1968 critique almost split the field: what did the person-situation debate actually settle? Dan McAdams argued traits are only level one: what do personal concerns and life stories add? Which classic studies in personality failed to replicate and what got built in their place? If-then signatures: how did Mischel's CAPS model reframe what consistency even means? Falsifiability meets Freud: what survived Popper's test and what never could?