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    SIGNAL

    Author: G. Schuhfried
    Signal Detection
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    Please note that this product can only be administrated if you have an online VTS Standard Subscription or a local VTS version from 8.0.00 or higher.

    This product requires an additional device.

    Field of Application+

    NEURO
    TRAFFIC
    SPORT
    HR
    Detailed Description+

    Measures long-term focused attention and the visual differentiation of a relevant signal when distractor signals are present.
    Signal detection theory describes the perception of weak signals against a constantly changing background. It addresses the following question: under what conditions can a person detect the presence of a weak signal against a background of irrelevant signals or among other signals that could sometimes be confused with the relevant signal? The test is used mainly in personnel psychology (safety assessments in aviation psychology), in clinical neuropsychology and in sports psychology. In the clinical context it is useful in identifying deficits, such as those that occur in connection with neglect.

    Test forms+

    S1: Standard (white signals on a black background)
    S2: Standard, inverted (black signals on a white background)
    S3: Short signal duration
    S4: Signal balance (neglect assessment)

    Task+

    The screen shows a display of dots that appear and disappear at random. The respondent must react as soon as four dots form a square.

    Dimensions+

    Attention

    Languages+

    Hungarian

    Turkish

    Dutch

    English (USA)

    French

    Chinese (Taiwan)

    Italian

    Portuguese

    Bulgarian

    Swedish

    Slovak

    Spanish

    German

    Polish

    Romanian

    Russian

    Finnish

    Chinese

    Arabic

    Serbian

    Czech

    Hindi

    Slovene

    Duration+

    approx. 14-20 minutes, depending on test form

    Age+

    Norms for ages 8+.

    Test administration+

    Controlled Mode


    Scoring+

    The main variable is Focussed attention as a measure of visual detection performance. It is the number of correct and delayed reactions over the course of the test.

    Additionally, the Median detection time is scored as a subsidiary variable. It is the average time taken to make a correct response over the course of the test.

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    Products specifications
    LanguagesArabic
    LanguagesBulgarian
    LanguagesChinese
    LanguagesChinese (Taiwan)
    LanguagesCzech
    LanguagesDutch
    LanguagesEnglish (USA)
    LanguagesFinnish
    LanguagesFrench
    LanguagesGerman
    LanguagesHindi
    LanguagesHungarian
    LanguagesItalian
    LanguagesPolish
    LanguagesPortuguese
    LanguagesRomanian
    LanguagesRussian
    LanguagesSerbian
    LanguagesSlovak
    LanguagesSlovene
    LanguagesSpanish
    LanguagesSwedish
    LanguagesTurkish
    Test informationwide norm spectrum <i class="fas fa-info-circle tooltips test-info" data-container="body" data-placement="top" data-toggle="tooltip" title="In tests with a wide norm spectrum the norms cover a wide age range (wider than ages 16-84), or multiple norm samples (at least two) are available."></i>
    Test informationlanguage-free item material <i class="fas fa-info-circle tooltips test-info" data-container="body" data-placement="top" data-toggle="tooltip" title="A test that uses language-free item material is one that can be worked by a respondent with no linguistic knowledge, provided that the instructions have been understood (for example with support from the test administrator)."></i>
    Test informationadditional device required <i class="fas fa-info-circle tooltips test-info" data-container="body" data-placement="top" data-toggle="tooltip" title="A SCHUHFRIED peripheral device (e.g. a Response Panel) is needed for proper administration of the test."></i>
    Test informationhigh level of test security <i class="fas fa-info-circle tooltips test-info" data-container="body" data-placement="top" data-toggle="tooltip" title="A test has a high level of test security if steps have been taken to prevent disclosure of the answers or answer scheme. Examples of such steps include prevention of unsupervised online testing, the provision of parallel test forms and the use of objective personality tests and adaptive tests."></i>
    DimensionsAttention
    Test typeSpecial Ability Tests