Description Usage Arguments Details Value References See Also Examples

View source: R/balanced.pcdesign.R

Creates a (completely) balanced paired-comparison design.

1 | ```
balanced.pcdesign(nstimuli)
``` |

`nstimuli` |
number of stimuli in the paired-comparison design |

When `nstimuli`

is odd, the presentation order is completely balanced,
that is any given stimulus appears an equal number of times as the first
and second member of a pair. When `nstimuli`

is even, the presentation
order is balanced as much as possible. Subjects should be equally assigned
to `listA`

and `listB`

for the purpose of balancing the
within-pair presentation order across a sample of subjects. Pairs should be
re-randomized for each subject. See David (1988) for details.

`pairs` |
a character array holding the balanced pairs |

`listA` |
the vector pairs in the original within-pair order |

`listB` |
the vector of pairs in the inverted within-pair order |

David, H. (1988). *The method of paired comparisons*.
London: Griffin.

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