In an experiment, people have to respond with indexes of their left and right hand whether a stimulus was a picture of a piece of furniture or a word describing a piece of furniture. You have 4 conditions in that people get 4 blocks of trials, eac block having a different backward masking of the stimulus. You want to avoid order effects for the conditions. In addition because of brain lateralisation for language you want to rule out that responses to words are always made with the same hand, and want to have half of the participant respond with the right hand, the other haif with the left. How many participants do you need to fully counterbalance this design? 64 48 32

Ciccarelli: Psychology_5 (5th Edition)
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ISBN:9780134477961
Author:Saundra K. Ciccarelli, J. Noland White
Publisher:Saundra K. Ciccarelli, J. Noland White
Chapter1: The Science Of Psychology
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In an experiment, people have to respond with indexes of their left and right hand whether a stimulus was a picture of a
piece of furniture or a word describing a piece of furniture. You have 4 conditions in that people get 4 blocks of trials, each
block having a different backward masking of the stimulus. You want to avoid order effects for the conditions. In addition,
because of brain lateralisation for language you want to rule out that responses to words are always made with the same
hand, and want to have half of the participant respond with the right hand, the other half with the left. How many
participants do you need to fully counterbalance this design?
8
64
48
32
Transcribed Image Text:In an experiment, people have to respond with indexes of their left and right hand whether a stimulus was a picture of a piece of furniture or a word describing a piece of furniture. You have 4 conditions in that people get 4 blocks of trials, each block having a different backward masking of the stimulus. You want to avoid order effects for the conditions. In addition, because of brain lateralisation for language you want to rule out that responses to words are always made with the same hand, and want to have half of the participant respond with the right hand, the other half with the left. How many participants do you need to fully counterbalance this design? 8 64 48 32
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