Assignment Task:

Task:

Ro?er & Cowan (2021) investigated the “cocktail party phenomenon”, which illustrates the ability of the attentional system to detect highly relevant stimuli, even though they are presented in an ignored auditory channel.  Answer the following 4 questions relating to this article.  Each answer should be a couple of sentences (not bullet points) within the word limit given for each question.  Your answer should be expressed succinctly in your own words, and not a verbatim copy of the text.

Questions
1. Describe what a “cocktail party phenomenon” is, as investigated in the present study. With regards the three main purposes of this study described towards the end of the Introduction, what is new about this study that was not addressed in the previous studies of the cocktail party phenomenon?   (4 marks, limit 100 words)   

2. Summarize the experimental design in sentences (not bullet points). You must mention: a) the participants, b) what the participants were asked to do (i.e., what was the main experimental task), c) what were the two independent variables (IV) – i.e., what were manipulated - and the levels (conditions) within each IVs, making clear how they were manipulated, d) the dependent variable used to measure the cocktail party phenomenon. (4 marks, limit 200 words).

3. Describe how the classic cocktail party phenomenon relates to the individual difference in working memory (make clear which graph/table you are referring to, and the statistical support for the relationship).   (3 marks, limit 50 words)

4. In addition to the results you described in Q3, the authors also reported an analysis of shadowing errors. Describe the main pattern of results depicted in Figure 1, and
the authors’ interpretation of what they tell us about the role of the attentional system in the cocktail party phenomenon (4 marks, limit 130 words)

 

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  • Posted on : April 07th, 2019

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