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Demo - Force Subjects to Watch Entire Video Demo Experiment Run Experiment

Demo - Force Subjects to Watch Entire Video

Jaap Murre

This 1 min movie cannot be skipped or fast forwarded. It has to be watched in its entirety.


Presentation of a video in this manner is useful when you have an instruction video that subjects must view before continuing.

Chapter 10

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var b1, b2, b3, options, advanced_options;
                
main.setfontsize(70);

b1 = main.addblock("center","top",100,25)
         .text("Demonstrating advanced (MediaElement.js) options
" 
             + "This 1 min movie cannot be skipped or fast forwarded
"
             + "It has to be watched entirely");  
b2 = main.addblock("center","center",60,60);
b3 = main.addblock("center","bottom",100,15).button("Skip Anyway!");

var video_options = {
        autoplay: true,
        subtitles: "bunny_subtitles.srt"
    },
    advanced_options = {
        clickToPlayPause: false,                        
		features: ['volume','fullscreen'],
		enableKeyboard: false
    };

waitfor
{
    b2.setvideo('big_buck_bunny',100,80,video_options,"bunny",advanced_options)
      .await('videoended');
}   
or
{
    b3.await('click');                    
}             

await(1000);

b2.clear();                
b3.clear();
b1.text("This could have been an instruction video or a scene for eye-witness questions, etc.");
await(4000);