Mostrando 1 - 4 Resultados de 4 Para Buscar 'Mathematics - Probability', tiempo de consulta: 0.17s Limitar resultados
  1. 1
    “…Despite the accumulation of knowledge regarding the course of major depressive episodes, no mathematical model has been developed to describe the durations of major depressive episodes. …”
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    Mathematical model for the distribution of major depressive episode durations
  2. 2
    “…This lead us to hypothesize that the boundary curves of each depressive symptom score in the distribution of total depressive symptom scores follow a common mathematical model, which is expressed as the product of the frequency of the total depressive symptom scores and the probability of the cumulative distribution function of each item threshold. …”
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    Boundary curves of individual items in the distribution of total depressive symptom scores approximate an exponential pattern in a general population
  3. 3
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    Age-related changes in the distributions of depressive symptom items in the general population: a cross-sectional study using the exponential distribution model
  4. 4
    “…CONCLUSIONS: This study demonstrated that item responses for the PHQ-9 followed a similar mathematical pattern across the adult lifespan. Moreover, our findings suggested that the probability of a response of “nearly every day” played an important role in age-related changes in PHQ-9 total scores across adulthood.…”
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    Age-Related Changes in Item Responses to the Patient Health Questionnaire-9: Evidence From the National Health and Nutrition Examination Survey
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