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Sound Estimation and Accuracy Task

19. maj 2015 opdateret af: 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.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

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.

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

600

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Forenede Stater
    • Pennsylvania
      • Pittsburgh, Pennsylvania, Forenede Stater, 15213
        • Carnegie Mellon University

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

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

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Screening
  • Tildeling: Randomiseret
  • Interventionel model: Faktoriel opgave
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: 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.
Andet: Instructions about Overestimates
Participants are told that overestimating the duration of sounds are associated with low disease risk.
Andet: Instructions about Parkinson's
Participants are told that the task is about risk of Parkinson's disease.
Eksperimentel: 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.
Andet: Instructions about Overestimates
Participants are told that overestimating the duration of sounds are associated with low disease risk.
Andet: Instructions about Alzheimers
Participants are told that the task is about risk of Alzheimers disease.
Eksperimentel: 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.
Andet: Instructions about Parkinson's
Participants are told that the task is about risk of Parkinson's disease.
Andet: Instructions about Underestimates
Participants are told that underestimating the duration of sounds are associated with low disease risk.
Eksperimentel: 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.
Andet: Instructions about Alzheimers
Participants are told that the task is about risk of Alzheimers disease.
Andet: Instructions about Underestimates
Participants are told that underestimating the duration of sounds are associated with low disease risk.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Time Estimate
Tidsramme: 30 minutes
The estimate of the length of time elapsed during the sound file
30 minutes

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Time Generation
Tidsramme: 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
Tidsramme: 30 minutes
Scale question asking participants their perceived risk of having the diseases in the study
30 minutes

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Carnegie Mellon University

Efterforskere

  • Ledende efterforsker: Eric M VanEpps, MS, Carnegie Mellon University

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. februar 2015

Primær færdiggørelse (Faktiske)

1. maj 2015

Studieafslutning (Faktiske)

1. maj 2015

Datoer for studieregistrering

Først indsendt

20. oktober 2014

Først indsendt, der opfyldte QC-kriterier

20. oktober 2014

Først opslået (Skøn)

22. oktober 2014

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

21. maj 2015

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

19. maj 2015

Sidst verificeret

1. maj 2015

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • HS14-553

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Instructions about Overestimates

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Betingelser

Sjældne sygdomme

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Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

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