Differential Test Battery
By: [prepared by J. R. Morrisby].
Publisher: National Foundation for Educational Research
Published: 1955
Place of publication: London
Language: eng
Notes: Contents: Manual, test record form, scoring keys, answer sheets, tables of correlations, Rossett Holt examples of profile interpretation, Speed Test manual and provisional norms, and test booklets for the Speed Test, Shapes Test, Compound Series Test, General Ability Tests, (verbal/ numerical/ perceptual), and Mechanical Ability Test.