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Merge pull request #3399 from ethanknights/ethanknights-patch-1

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Tidying `timeline.md`
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Josh de Leeuw 2024-09-24 14:10:44 -04:00 committed by GitHub
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docs/overview/timeline.md
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@ -163,9 +163,9 @@ const face_name_procedure = {
### Using timeline variables in a function
Continung the example from the previous section, what if we wanted to show the name with the face, combining the two variables together?
Continuing the example from the previous section, what if we wanted to show the name with the face, combining the two variables together?
To do this, we can use a [dynamic parameter](dynamic-parameters.md) (a function) to create an HTML-string that uses both variables in a single parameter.
However, because we are getting the value of a timeline variable in a function, we need to use `jsPsych.evaluateTimelineVariable()` instead of `jsPsych.timelineVariable()`. `.evaluateTimelineVariable()` immediately gets the value of the variable when it is called, while `.timelineVariable()` creates a placeholder that jsPsych evaluates at the appropriate time during the execution of the experiment.
However, because we are getting the value of a timeline variable in a function, we need to use `jsPsych.evaluateTimelineVariable()` instead of `jsPsych.timelineVariable()`. Calling `.evaluateTimelineVariable()` immediately gets the value of the variable, while `.timelineVariable()` creates a placeholder that jsPsych evaluates at the appropriate time during the execution of the experiment.
The value of the `stimulus` parameter will be a function that returns an HTML string that contains both the image and the name.
```javascript
@ -227,7 +227,7 @@ There are also sampling methods that can be used to select a set of trials from
Sampling is declared by creating a `sample` parameter.
The `sample` parameter is given an object of arguments.
The `type` parameter in this object controls the type of sampling that is done.
Valid values for `type` are
Valid values for `type` are:
* `"with-replacement"`: Sample `size` items from the timeline variables with the possibility of choosing the same item multiple time.
* `"without-replacement"`: Sample `size` items from timeline variables, with each item being selected a maximum of 1 time.