Handedness: Proficiency versus Stated Preference

Barnsley, Roger H.; Rabinovitch, M. Sam

doi:10.2466/pms.1970.30.2.343

Cited by 122 publications

(38 citation statements)

References 21 publications

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“…The mean times to make the 40 taps were 6.96 sec for males and 7.55 sec for females [t(22) = 1.95, p < .10]. Males have been reported to be significantly faster than females in tapping rate where precision is not important (e.g., Barnsley & Rabinowitz, 1970). Responses in the original experiment, as well as for the supplementary data, did not require precise movements.…”

Section: Resultsmentioning

confidence: 86%

Sex differences in clerical speed: Perceptual encoding vs. verbal encoding

Majeres

1977

Memory & Cognition

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Section: Resultsmentioning

confidence: 86%

Sex differences in clerical speed: Perceptual encoding vs. verbal encoding

Majeres

1977

Memory & Cognition

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“…Our results are supported by some previous studies and are in contrast to others, which may be a reflection of the different tests of motor bias measuring different characteristics of bias. In humans, motor proficiency can be described using a wide range of unimanual tasks distributed over 10 distinct factors (Barnsley and Rabinovitch, 1970). Therefore the use of different tests of motor bias will result in different skills being measured, and thus different conclusions about motor bias being made.…”

Section: Discussionmentioning

confidence: 99%

Horses do not exhibit motor bias when their balance is challenged

Wells

Blache

2008

Animal

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In many equestrian pursuits such as dressage and show-jumping, it is important that the horse exhibits the same level of balance when ridden to the left as when ridden to the right in canter -that is, to show no motor bias. It is a long-held belief within such disciplines that to reduce bias that exists in horses and thus to enhance symmetry of performance to the left and right, the horse needs to be worked equally in both directions, although there is a lack of scientific evidence of this influencing bias. There also is little compelling evidence for either the existence or absence of motor bias in unridden (and therefore younger) or ridden (and therefore older) horses. In this study, we tested whether there was a difference in motor bias between unridden (n 5 15) and ridden (n 5 15) horses when their balance was challenged by cantering them in circles both to the left and to the right on the lunge. As indicators of a difference in balance between the left and right and thus as indicators of motor bias, we conducted three lunging tests -time spent in canter, whether the horse cantered on the correct lead and whether it became disunited. A grazing stance test, where the extended foreleg during grazing was recorded as the preferred forelimb, was also used to compare responses in a test where balance was not actively challenged, to the three lunging tests where balance was actively challenged. No bias was found in either the unridden or ridden groups when their balance was challenged, but ridden horses exhibited a motor bias in grazing stance -when their balance was not challenged. There was also a correlation between the responses in all three lunging tests, but none between the grazing stance test and any of the three lunging tests. We therefore conclude that neither ridden nor unridden horses are biased when their balance is challenged; thus it cannot be concluded that ambidextrous training affects an inherent bias, and that estimation of motor bias in horses is affected by the test conditions. Finally, if ridden horses are truly unbiased, strong human motor bias might be responsible for the common perception amongst riders that horses are biased.

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“…Right-left differences in performance have been studied on several tasks such as peg moving (Annett, 1970), fast (Peters & Durding, 1978) or regular (Wolff, 1977) finger tapping, dot filling (Tapley & Bryden, 1985), or the Purdue pegboard test (Barnsley & Rabinovitch, 1970;Fleishman & Hempel, 1954). Several studies have combined hand preference and right-left differences in performance to assess handedness (e.g., Bishop, 2001;Corey, Hurley, & Foundas, 2001;Peters & Durding, 1978).…”

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confidence: 99%

“…We devised a single laterality index based on (a) preference tests that assessed the spontaneous use of one or the other hand on several tasks, including writing and the spontaneous use of one eye to look through a hole; and (b) the right-left performance difference tested on the peg-moving task and on the unimanual crank-rotation task. We used two tasks because, hand efficiency being a multidimensional trait (Barnsley & Rabinovitch, 1970;Fleishman & Ellison, 1962;Rigal, 1992), it is clear to many researchers that using a single test of hand efficiency is not sufficient. The peg-moving task and the unimanual crank-rotation task differ on important skill traits such as distal versus proximal (the crank-rotation task is more proximal than the peg-moving task), learned versus less automatized (the crank-rotation task is a newer task than picking up pegs), and intermodal versus unimodal (eye-hand coordination for the peg-moving task vs. purely manual for the unimanual crank-rotation task).…”

mentioning

confidence: 99%

Using a continuous index of laterality to determine how laterality is related to interhemispheric transfer and bimanual coordination in children

Fagard

Corroyer²

2003

Developmental Psychobiology

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We sought to determine whether laterality is related to interhemispheric transfer and bimanual coordination during development. Children between 3 and 8 years of age were observed. In the first part of the experiment, we devised a continuous index to order the subjects according to their laterality. The laterality index included evaluation of hand and eye preference, and the right-left performance difference. In the second part of the experiment, we used this single index to determine whether laterality is related to interhemispheric transfer and bimanual coordination. Interhemispheric transfer was assessed by means of two tactile transfer tasks and one visuo-manual transfer task. We assessed bimanual coordination using the tapping task and the bimanual crank-rotation task. Results showed that right- and left-hand writers overlap on certain measures of laterality. They confirmed the improvement of interhemispheric transfer at around age 5 years, earlier progress in bimanual coordination with mirror than with parallel movements, and the existence of a relationship between visuo-manual interhemispheric transfer and bimanual coordination. The laterality index was not related to interhemispheric transfer, but it was related to the younger subjects' performance on the bimanual crank-rotation task: the less right handed, the better the bimanual coordination. In addition, on the same bimanual task, crossed hand-eye laterality was associated with better performance.

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Handedness: Proficiency versus Stated Preference

Cited by 122 publications

References 21 publications

Sex differences in clerical speed: Perceptual encoding vs. verbal encoding

Sex differences in clerical speed: Perceptual encoding vs. verbal encoding

Horses do not exhibit motor bias when their balance is challenged

Using a continuous index of laterality to determine how laterality is related to interhemispheric transfer and bimanual coordination in children

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