Edinburgh Handedness Inventory (EHI): Difference between revisions
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From the above, items 1, 2, 3, 4, 6, 7, 8, 15, 17, and 18 made it into the | From the above, items 1, 2, 3, 4, 6, 7, 8, 15, 17, and 18 made it into the ubiquitous 10-item version of the EHI. | ||
== Scoring == | == Scoring == | ||
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Purpose[edit | edit source]
The Edinburgh Handedness Inventory (EHI), sometimes referred to as the Edinburgh Handedness Questionnaire (EHQ), was developed by Richard Charles Oldfield in 1971 to quantitatively assess the handedness of the subject in activities of daily living (ADL).[1] It is the most commonly used screening tool for handedness.
Intended population[edit | edit source]
It has been used in a wide variety of subjects.
Method of Use[edit | edit source]
There is controversy surrounding its use due to the existence of multiple variations of the tool and improper understanding of the original test instructions.[2][3] The 20-item questionnaire contains instructions to be strictly followed during administration. Items are rated either by direct observation or by self-report.[1] A more commonly used shorter 10-item version was developed in 2014.[4]
The original 20 items are:
- Writing
- Drawing
- Throwing
- Scissors
- Comb
- Toothbrush
- Knife (without fork)
- Spoon
- Hammer
- Screwdriver
- Tennis racket
- Knife with fork
- Cricket bat
- Golf club
- Broom
- Rake
- Striking a match
- Opening a box (lid)
- Dealing cards
- Threading a needle
From the above, items 1, 2, 3, 4, 6, 7, 8, 15, 17, and 18 made it into the ubiquitous 10-item version of the EHI.
Scoring[edit | edit source]
There are two methods of scoring the questionnaire:
- Laterality Quotient
- Laterality Score
Evidence[edit | edit source]
According to Oldfield, results from a self-reported EHI yield less reliable results since subjects usually overestimate the number of tasks carried out by the dominant hand.[1]
References[edit | edit source]
- ↑ 1.0 1.1 1.2 Oldfield RC. The assessment and analysis of handedness: The Edinburgh inventory. Neuropsychologia. 1971; 9: 97-113.
- ↑ Edlin JM, Leppanen ML, Fain RJ, Hackländer RP, Hanaver-Torrez SD, Lyle KB. On the use (and misuse?) of the Edinburgh Handedness Inventory. Brain Cogn. 2015 Mar;94:44-51. doi: 10.1016/j.bandc.2015.01.003.
- ↑ Fazio R, Coenen C, Denney RL. The original instructions for the Edinburgh Handedness Inventory are misunderstood by a majority of participants. Laterality. 2012;17(1):70-7. doi: 10.1080/1357650X.2010.532801.
- ↑ Veale JF. Edinburgh Handedness Inventory - Short Form: a revised version based on confirmatory factor analysis. Laterality. 2014;19(2):164-77. doi: 10.1080/1357650X.2013.783045.
