This is an experiment on auditory awareness. In order to participate in this experiment you need to listen to an audio file (step #1). After that you have to answer two questions about what you heard (step #2). You will then be given further information about the purpose of the experiment (debrief/step #3). It is important that you follow the experimental sequence below in order.
When you finished listening you can continue with step #2 below.
Listen to the debriefing – it will explain the background of this perceptual experiment.
This is the original article which was published by Dalto & Fraenkel (2012) in the journal ‘Cognition’.
Emprical results show that on average 50% of participants completely miss the “auditory gorilla”. Did you hear it? If not, listen again and you will be surprised how you could miss it in the first trial. This experiment tells us a lot about the inherent limits and the task-specificity of attentional resources. The phenomenon is called “inattentional blindness”. Our attention has been metaphorically compared to a spotlight which only illuminates a small proportion of the vastness of reality.