Watson Glaser Critical Thinking Appraisal (WGCTA)
The ability to think clearly is generally regarded are one of the major goals of education. Careful, analytical reasoning is an important part of most management roles and is known to play an important part in many occupations. The WGCTA as been designed to measure some of these important abilities and provides an invaluable assessment strategy forpersonnel professional and recruitment specialists involved in the selection and training of managerial and other professional staff.This high demanding measure has been updated for 2001, including an extensive renorming study and the production of new UK norms.
Detailed outline of the Watson Glaser Critical Thinking Appraisal measures
Drawing inferences:
The ability to evaluate the validity of inferences drawn from a series of factual statements.
Recognising assumptions:
The ability to identify unstated assumptions or presuppositions in a series of assertive statements
Argument evalutation:
The ability to determine whether certain conclusions necessarily follow from the information in given statements or premises
Deductive reasoning:
The ability to weigh evidence and deciding if generalisations or conclusions based on the given data are warranted
Logical interpretation:
The ability to distinguish between arguments that are strong and relevant and those that are weak or irrelevant to a particular question at issue
Co-norming
Both the Watson-Glaser and RANRA have been co-normed on a sample of 1546 respondents representative of the usage group in the working population. Co-norming and close association with WGCTA has produced a seamless and demanding appraisal of both higher level numerical and verbal reasoning skills. The high ceiling on both of the measures make WGCTA and RANRA worked together an ideal platform when recruiting in the management market.
T-scoring
The norms from this sample are used to transform the raw scores into T-scores (mean of 50, standard deviation of 10). These T-scores should be used as the common metric in assessing all scores on the both Watson-Glaser and RANRA and on the combined test. Thus, enabling assessors to compare candidates within and across roles.
Test timing
WGCTA and RANRA are tests of power rather than speed. Most people complete the Watson-Glaser within 50 minutes (approximately 10 minutes per sub-test), and complete RANRA within 30 minutes (approximately 15 minutes per sub-test). Evidence suggests that there is little benefit to be gained where respondents continue their endeavours beyond these times, thus, it is recommended that: Test administrators should allow 1 hour and 30 minutes for the combined test or where Watson-Glaser and RANRA are administered together. Where the tests are administered separately, test administrators should allow 1 hour for the Watson-Glaser, and 40 minutes for RANRA. The combined test and both the WGCTA and RANRA on-line tests are timed . The respondent is given the maximum time allowed. Once this time is reached, the test is automatically submitted for scoring. Administrators should be aware that there is little evidence to suggest that respondents who complete the test in less than the time allowed will outperform those that take the full time.
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