Better instruments Better measurement Better psychology

Research lab established at the University of Granada, building the methodological foundations of modern psychological science.

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About

Psychology advances by what it can measure.

Every theory of mind — every diagnosis, every intervention, every claim about the human condition — depends on instruments built to test it. We design, validate, and refine those instruments. Carefully, rigorously, in the open.

-3 -2 -1 0 +1 +2 +3 0 0.25 0.5 0.75 1 ABILITY Θ PROBABILITY θ = 0.00
Five 2PL items · drag along the chart to set θ · each curve maps a respondent's latent ability onto the probability of endorsing that item
Psychometrics

Measuring well is distinguishing well.

Every distribution we observe may be the sum of many underlying ones. We build tools to tell their components apart — separating signal from noise.

Three latent Gaussian components — and the curve they compose.
Constructs

A latent space of psychological measures.

A small slice of the methodological territory we navigate. Nodes are constructs the lab measures or models; edges are the empirical and theoretical links between them. Hover a node to isolate its connections.

Validity Theory DIF Response Processes Mixed Methods Cognitive Interviewing Cross-cultural Equivalence Humor Dark Triad Personality Burnout Resilience Depression Driving Behavior Climate Anxiety Educational Assessment
By the numbers

Output, in figures.

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Instruments
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Peer-reviewed papers
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Open resources