Factores (2) Labor (1) Constructivism (Education) (1) Women scientists (1) Toleration (1) Sugar (1) Social sciences (1) Rats (1) Psychology (1) Population (1) Polycyclic aromatic hydrocarbons (1) Periodicals (1) Fear (1) Evaluation (1) Education (1) Devaluation of currency (1) Cognition (1) Child development (1) Anxiety (1) Animals (1) Adulthood (1) Niños--Desarrollo (1) Devaluación (1) Desarrollo cognitivo (1) Clomipramina (1) Evaluación (1) Frustración (1) Ratas (1) Edad adulta (1) Científicas (1)