stimuli.js

// Item types
const PASSIVE   = "PASSIVE";
const ACTIVE    = "ACTIVE";
const FILLER    = "FILLER";
const PRAC      = "PRAC";

// experimental, filler and practice items from:
// Caterina Laura Paolazzi, Nino Grillo, Artemis Alexiadou & Andrea Santi (2019)
// Passives are not hard to interpret but hard to remember: evidence from
// online and offline studies, Language, Cognition and Neuroscience,
// 34:8, 991-1015, DOI: 10.1080/23273798.2019.1602733.
// Questions made up by Iris Mulders.

// Lists if you use server side balancing make sure they match the lists
// in the target groups, this is case sensitive.
const LISTS = [
    "list1",
    "list2"
    // "list3"
];

const PRACTICE_ITEMS = [
    {
        id : 1,
        item_type : PRAC,

        stimulus :                                                // Single "/" delimit boundaries between words presented
                                                                  // together. Boundaries must be activated by setting "/" as
                                                                  // GROUPING_STRING in globals.js. The default is null
                                                                  // which means every word is a group of in its own.
                                                                  // If the grouping string isn't set or null,
                                                                  // the "/" will be displayed instead of used for grouping.
            "The teacher took the car instead of the express"   + // The '+' adds strings together or concatenates them.
            "train \ndue to the previously announced public\n"  + // A "\n" makes the string jump to the next line.
            "transport strike.\n",                                // use a comma here.
        question : "",                                            // An empty string means no question for this trial.
        qanswer : undefined                                       // We can't define a answer if there ain't no question.
    },
    {
        id : 2,
        item_type : PRAC,
        stimulus :
            "The researcher presented his most recent work\n"   +
            "to the commission and obtained very positive\n"    +
            "comments regarding the experimental design.\n"     ,
        question : "The researcher presented old work.",
        qanswer : FALSE_BUTTON_TEXT                               // Use TRUE_BUTTON_TEXT if the answer is true,
                                                                  // FALSE_BUTTON_TEXT otherwise
    }
];

/*
 * In this list there is a stimulus, if a word or group of words starts with a
 * '#' it's reaction time will be recorded. So don't put any '#" elsewhere...
 */
const LIST_GROUP1 = [
    {
        id : 1,
        item_type : PASSIVE,
        stimulus :
            "The guitarist was rejected by #the #attractive #and\n"     +
            "#talented #singer #in #the #concert #hall #next #to\n"     +
            "#the #Irish #pub.\n"                                       ,
        question : "The singer was attractive.",
        qanswer : TRUE_BUTTON_TEXT
    },
    {
        id : 2,
        item_type : ACTIVE,
        stimulus :
            "The sculptor mugged #the #strange #and\n"                  +
            "#temperamental #photographer #in #the #art #gallery\n"     +
            "#next #to #the #book #shop.\n"                             ,
        question : "",
        qanswer : undefined
    },
    {
        id : 3,
        item_type : FILLER,
        stimulus :
            "The beautiful princess married her young and\n"            +
            "handsome chauffeur and shocked the royal\n"                +
            "family and the press.\n"                                   ,
        question : "The chauffeur was an old man.",
        qanswer : FALSE_BUTTON_TEXT
    },
    {
        id : 4,
        item_type : FILLER,
        stimulus :
            "The little girl did not play with her brother\n"           +
            "in the colourful playground next to their weedy\n"         +
            "garden.\n"                                                 ,
        question : "",
        qanswer : undefined
    }
];

/*
 * In this list there is a stimulus, if a word starts with a '#' its
 * reaction time will be recorded. So don't put any '#" elsewhere...
 */
const LIST_GROUP2 = [
    {
        id : 1,
        item_type : ACTIVE,
        stimulus :
            "The guitarist rejected #the #attractive #and\n"            +
            "#talented #singer #in #the #concert #hall #next #to\n"     +
            "#the #Irish #pub.\n"                                       ,
        question : "The singer was attractive.",
        qanswer : TRUE_BUTTON_TEXT
    },
    {
        id : 2,
        item_type : PASSIVE,
        stimulus :
            "The sculptor was mugged by #the #strange #and\n"           +
            "#temperamental #photographer #in #the #art #gallery\n"     +
            "#next #to #the #book #shop.\n"                             ,
        question : "",
        qanswer : undefined
    },
    {
        id : 3,
        item_type : FILLER,
        stimulus :
            "The beautiful princess married her young and\n"            +
            "handsome chauffeur and shocked the royal\n"                +
            "family and the press.\n"                                   ,
        question : "The chauffeur was an old man.",
        qanswer : FALSE_BUTTON_TEXT
    },
    {
        id : 4,
        item_type : FILLER,
        stimulus :
            "The little girl did not play with her brother\n"           +
            "in the colourful playground next to their weedy\n"         +
            "garden.\n"                                                 ,
        question : "",
        qanswer : undefined
    }
];

// Add a third list of stimuli when required.
// const LIST_GROUP3 = [
// ...
// ]

// These lists are not a between subjects variable, but
// define which list a participant gets.
const TEST_ITEMS = [
    {list_name: LISTS[0], table: LIST_GROUP1},
    {list_name: LISTS[1], table: LIST_GROUP2}
    // Add a third list here, put a comma on the
    // end of the line above here.
    // {list_name: LISTS[1], table: LIST_GROUP3}
];