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Explore science by method, field & evidence.

One catalogue of research methods — learn how each one works, when to use it, and what it can’t do.

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8,178 methods11 fields7 method families40 languages
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FieldHealth & Medicine716Psychology570Business & Finance410Engineering330Life Sciences263Education261Research Practice
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Entries are compiled from published sources for reference. Verifying the accuracy and suitability of any information for your own use remains your responsibility.

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MethodStatistics1,836AI & ML1,661Decision Sciences932Research Methods1,354Measurement1,745Causal & Evidence532Research Practice118
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Methods at the intersection of your two filters.
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educational psychology

Critical Thinking Dispositions Scale

The Critical Thinking Dispositions Scale (CTDS), exemplified by the California Critical Thinking Disposition Inventory (CCTDI), measures the extent to which individuals exhibit cognitive dispositions conducive to critical thinking. Developed by Facione (1992), it assesses dimensions including truth-seeking, open-minded

2 sources1992
educational psychology

Kolb Learning Style Inventory

The Kolb Learning Style Inventory (LSI) is a self-report assessment based on experiential learning theory that identifies how individuals prefer to learn. Developed by David Kolb in 1984, it classifies learners into four styles—Diverging, Assimilating, Converging, and Accommodating—based on two dimensions: how informat

2 sources1984
educational psychology

Test Anxiety Inventory

The Test Anxiety Inventory measures the situational anxiety experienced during examinations, distinguishing between cognitive worry and physiological emotionality. Developed by Spielberger in 1980, the TAI provides educators and clinicians with a validated assessment of test-specific anxiety—a prevalent barrier to acad

2 sources1980