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Zoe Gavriilidou, Development and validation of the Strategy Inventory for Dictionary Use (S.I.D.U.), International Journal of Lexicography, Volume 26, Issue 2, June 2013, Pages 135–153, https://doi.org/10.1093/ijl/ect007
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Abstract
The present article reports results regarding the development and validation of the Strategy Inventory for Dictionary Use (S.I.D.U.) which is a 36-item self-report questionnaire for assessing dictionary use strategies specifying four main areas of interest: a) dictionary use awareness skills, b) strategies for dictionary selection and acquaintance with dictionary conventions, c) lemmatization strategies, and finally d) look-up strategies. The method of multiple judges was adopted for the control of content validity of the pilot version of S.I.D.U. The principal component analysis showed four subscales (factors) accounting for 51.7% of the variance. The test discriminated expert from non-expert users in all four categories of strategies (p < .001). Internal consistency of the four subscales (dictionary use awareness, dictionary selection, acquaintance and lemmatization and dictionary search) and the overall scale of the S.I.D.U. were found to be excellent.