Methods Von Restorff effect experiment Maximum of 1000 words Double-spaced When in doubt, follow APA...
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Transcript of Methods Von Restorff effect experiment Maximum of 1000 words Double-spaced When in doubt, follow APA...
MethodsVon Restorff effect experimentMaximum of 1000 wordsDouble-spacedWhen in doubt, follow APA guidelines Describe what was done under these headings:
participantsstimulus and task designanalysis
On course Website: Excel spreadsheet of Experimental (target word) and Control condition results…not so important for this week
Methods:Participants
35 York University students
27 female
Tested as 2 groups: N=18 and N=17
Treated in accordance with APA ethical standards
Methods:Stimulus and Task Design
4 world lists; 12 words per list
Serially presented at 2 sec. per word
60-seconds free recall time after each list
Non-target word font, size,color: Arial 24 black
Target word font, size, color: Comic Sans bold 54 purple
Methods:Stimulus and Task Design
Target word: Item 5-8, avoid primacy or recency effects from beginning and end of list, respectively.
Target position: sampling randomly without replacement
All words were of same frequency of use
Instructions(Paraphrase this, don’t quote!): presented 4 word lists of 12 words each. After each list, write down as many words as possible. Don’t write anything until the end of each word list.
Methods: AnalysisItems 5-8 analyzedFor each participant:
1. mean % recall of 4 target words2. mean % recall of remaining, non-target
words (3/list x 4 lists = 12 items)generating 2 distributions for comparison
Within-subjects designStudent’s t-test, alpha p < 0.05
n.b.: (You are permitted to include the following passage verbatim, and must state something to this effect, for accuracy): For the first group of participants (N=18), one of the non-target words from position 5-8 of list 4 had erroneously occurred earlier in the list, and was consequently discarded from analysis. Thus, for this group, only 2 non-target words were averaged from the 4th list.