likert element

The likert element is a specialized trial element for collecting likert ratings.

Syntax

<likert likertname>
/ anchors = [point = "label"; point = "label"; point = "label"]
/ anchorwidth = width
/ branch = [if expression then event]
/ buttonvalues = [point="value", point="value", point="value"]
/ correctmessage = false or true(stimulusname, duration)
/ correctresponse = ("character", "character",...) or (scancode, scancode, ...) or (stimulusname, stimulusname, ...) or (mouseevent, mouseevent, ...) or (joystickevent, joystickevent, ...) or ("word, word, ...") or (keyword)
/ errormessage = false or true(stimulusname, duration)
/ fontstyle = ("face name", height, bold, italic, underline, strikeout, quality, character set)
/ position = (x, y)
/ mouse = boolean
/ numframes = integer
/ numpoints = integer
/ ontrialbegin = [expression; expression; expression; ...]
/ ontrialend = [expression; expression; expression; ...]
/ posttrialpause = integer expression
/ posttrialsignal = (modality, signal)
/ pretrialpause = integer expression
/ pretrialsignal = (modality, signal)
/ response = responsename or timeout(milliseconds) or window(center, width, stimulusname) or responsemode
/ responseframe = integer
/ responseinterrupt = mode
/ responsemessage = (responsevalue, stimulusname, duration)
/ responsetime = integer
/ responsetrial = (response, trialname)
/ stimulusframes = [framenumber = stimulusname, stimulusname, ...; framenumber = stimulusname, ...] or [framenumber = selectionmode(stimulusname, stimulusname, stimulusname, ...)]
/ stimulustimes = [time = stimulusname, stimulusname, ...; time = stimulusname, ...] or [time = selectionmode(stimulusname, stimulusname, stimulusname, ...)]
/ timeout = integer expression
/ trialcode = "string"
/ trialdata = [stimulusname, stimulusname, stimulusname, "string" "string", "string"]
/ trialduration = integer expression
</likert>

Properties

Remarks

The likert element controls the timing and the content of stimulus presentation as well as the appearance and behavior of the likert scale used to obtain ratings. Every time a likert element is executed, a line of data is written to the data file.

Examples

The following shows a five point likert scale at the bottom of the screen with evaluative labels:

<likert ratingquestion>
/ stimulusframes=[1=sometext]
/ anchors=[1="excellent"; 2="good"; 3="satisfactory"; 4="bad"; 5="aweful"]
/ position=(50, 90)
</likert>