Proceedings of the National Academy of Sciences
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Recent articles
Validated scales in this field
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Academic Motivation Scale — College Version
A 28-item multidimensional measure of academic motivation grounded in Self-Determination Theory. Assesses seven motivational orientations: three forms of intrinsic motivation, three forms of extrinsic regulation, and amotivation. Stem: "Why do you go to college?"
Achievement Emotions Questionnaire
A modular instrument measuring nine achievement emotions (enjoyment, hope, pride, anger, anxiety, shame, hopelessness, boredom, relief) across class, learning, and test settings.
Adult Dispositional Hope Scale
A 12-item measure of dispositional hope (8 scored items plus 4 fillers) comprising agency — goal-directed determination — and pathways, the perceived ability to plan routes to goals.
Alcohol Use Disorders Identification Test
A 10-item screening tool developed by the WHO to identify hazardous and harmful alcohol consumption and possible dependence over the past year.
Data from OpenAlex. Metrics shown are open (citation counts, h-index, 2-year mean citedness) — not the licensed Journal Impact Factor.