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Sound Estimation and Accuracy Task

19 de mayo de 2015 actualizado por: Eric VanEpps, Carnegie Mellon University

Estimation and Accuracy in Sound Task Perceived to be Medically Diagnostic

Participants will be assigned to complete computerized estimation tasks for which there is a component of accuracy, such as estimating the duration of sounds. Participants will be told that the task is used as an early diagnostic tool to detect those at risk for a medical condition (e.g., Parkinson's disease, Alzheimer's disease). Instructions will be given to participants telling them that accuracy on the task is associated with the disease, whereas those who are not at risk of the disease tend to either overestimate or underestimate the duration of the sounds. The investigators examine whether such instructions about the purpose and diagnosticity of the tasks biases participants' responses to the tasks, leading them to purposefully be more inaccurate in their estimates.

Descripción general del estudio

Descripción detallada

Participants will be assigned to complete computerized tasks for which there is a component of accuracy, such as estimating the length, in time, of sounds. Participants will be told that the task is used as an early diagnostic tool to detect those at risk for a medical condition (e.g., Parkinson's disease, Alzheimer's disease). Instructions will be given to participants telling them that accuracy on the task is associated with the disease in question, whereas those who are not at risk of the disease tend to either overestimate or underestimate the duration of the sounds. The investigators examine whether such instructions about the purpose and diagnosticity of the tasks biases participants' responses to the tasks. The investigators collect additional survey measures as statistical controls and potential explanatory variables for variation in the performance on the tasks, and also test whether financial incentives for accuracy on these tasks improve the accuracy of responses to these tasks.

Following the task, all participants will be told that the tasks used are actually NOT diagnostic of the diseases in question, and that deception was used to learn how people respond to instructions about how a task can be used for diagnostic purposes.

Tipo de estudio

Intervencionista

Inscripción (Anticipado)

600

Fase

  • No aplica

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Ubicaciones de estudio

    • Pennsylvania
      • Pittsburgh, Pennsylvania, Estados Unidos, 15213
        • Carnegie Mellon University

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

18 años y mayores (Adulto, Adulto Mayor)

Acepta Voluntarios Saludables

Géneros elegibles para el estudio

Todos

Descripción

Inclusion Criteria:

  • 18 or older
  • Able to access tasks on computer
  • Able to hear sounds played on computer

Exclusion Criteria:

  • Computer speakers absent or not functioning

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Poner en pantalla
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación factorial
  • Enmascaramiento: Único

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Overestimate Parkinson's
People are told that overestimates on the sound estimation task are associated with being healthy and having a low risk of Parkinson's disease, whereas those who are accurate are more likely to develop the disease later in life.
Participants are told that overestimating the duration of sounds are associated with low disease risk.
Participants are told that the task is about risk of Parkinson's disease.
Experimental: Overestimate Alzheimers
People are told that overestimates on the sound estimation task are associated with being healthy and having a low risk of Alzheimers disease, whereas those who are accurate are more likely to develop the disease later in life.
Participants are told that overestimating the duration of sounds are associated with low disease risk.
Participants are told that the task is about risk of Alzheimers disease.
Experimental: Underestimate Parkinson's
People are told that underestimates on the sound estimation task are associated with being healthy and having a low risk of Parkinson's disease, whereas those who are accurate are more likely to develop the disease later in life.
Participants are told that the task is about risk of Parkinson's disease.
Participants are told that underestimating the duration of sounds are associated with low disease risk.
Experimental: Underestimate Alzheimers
People are told that underestimates on the sound estimation task are associated with being healthy and having a low risk of Alzheimers disease, whereas those who are accurate are more likely to develop the disease later in life.
Participants are told that the task is about risk of Alzheimers disease.
Participants are told that underestimating the duration of sounds are associated with low disease risk.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Time Estimate
Periodo de tiempo: 30 minutes
The estimate of the length of time elapsed during the sound file
30 minutes

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Time Generation
Periodo de tiempo: 30 minutes
The length of time selected for the sound file to run by participants in a secondary task
30 minutes
Perceived Risk of Disease
Periodo de tiempo: 30 minutes
Scale question asking participants their perceived risk of having the diseases in the study
30 minutes

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Investigadores

  • Investigador principal: Eric M VanEpps, MS, Carnegie Mellon University

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio

1 de febrero de 2015

Finalización primaria (Actual)

1 de mayo de 2015

Finalización del estudio (Actual)

1 de mayo de 2015

Fechas de registro del estudio

Enviado por primera vez

20 de octubre de 2014

Primero enviado que cumplió con los criterios de control de calidad

20 de octubre de 2014

Publicado por primera vez (Estimar)

22 de octubre de 2014

Actualizaciones de registros de estudio

Última actualización publicada (Estimar)

21 de mayo de 2015

Última actualización enviada que cumplió con los criterios de control de calidad

19 de mayo de 2015

Última verificación

1 de mayo de 2015

Más información

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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