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There are two research reports which are based on the creation, testing and use
of The Discovery Tool during 2001-2004 in Los Angeles, California.
This 119 page report contains the fullest description of how the Tool was
created and all of the professional and research sources on which its creation
was based. It describes an early study, where the Tool's ease-of-use on the
Internet, its scoring system, and its reliability and validity were initially
explored. It also reports on a more extensive, two-year study where the Tool's
validity and reliability were tested on a larger sample of children and
parents.
The concluding chapter contains comparisons of the Tool's features and the
results of its validity and reliability testing with the features and test
results of The Ages and Stages Questionnaires and The Parent's Evaluation of
Developmental Status (PEDS). These reflect that the Discovery Tool has many
unique features; that it is technologically the more advanced instrument, and
that its test results compared quite favorably to those of the other
developmental screening instruments.
This 11 page document presents a summary of the results of parental reactions to
the Tool in terms of (a) what they learned from taking the Tool, (b) their
reactions to the results they received, and (c) what they are planning to do in
the future. It shows that most parents learned a great deal, agreed with the
results, and that the majority of them are planning to take the Tool on a
frequent basis to keep up with their children's progress.
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