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    1- Boolean operators and Query Syntax

    Queries can be combined with the binary Boolean operators: “AND”, “OR”, and “NOT”. The “OR” operator can be omitted as it is the default.

    It doesn’t matter if you use upper or lower case letters.

    2- How to use the ProQolid Search Engine

    You may want to search according to multiple criteria, e.g., all the self-administered instruments in one specific disease or all the instruments covering a specific pathology and available in a specific language.

    For example, you can search for instruments translated into French in the field of gynecology. You will select your first term, gynecology, in the criterion: “Pathology.” Then you select the Boolean operator “AND” and finally your second criterion: French. By clicking on the “SEARCH” button at the bottom, you will access the list of instruments that are available both in French and in the field of gynecology. By clicking on the “MODIFY” button, you will be able to modify your search.

    To view a demo of ProQolid, click on “Demo” in the top menu.

    3- Help lists
    • Pathology: The term “pathology” refers to a large therapeutic area and can cover several diseases.
    • Disease: The term “disease” refers to a specific, precisely defined condition.
    • Type of instrument: This field refers to the major Patient-Reported Outcome (PRO) domains to which each instrument belongs.
    • Population: This field describes the target population for which the instrument was developed.
    • Mode of administration: This category refers to the mode of administration used.
    • Database: A database is created by collecting and pooling questionnaire data from both national and international studies.
    • Language: This field includes the original language in which the instrument was developed as well as its available translations.