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A new curriculum, and then a book based upon that, always seeks
evaluation. The book should not only be attractive and interesting,
but also upto the mark with the age level of students,
appropriateness of content, relevance, utility, etc. Every new book
should be thoroughly evaluated before it is given a place in list
of textbook or suggestive readings or after introducing in a
course. An exercise for evaluating a textbook has been presented in
the current book. For this purpose, a textbook for class IX
Mathematics, introduced in schools, has been selected. The study
goes through explaining various aspects of evaluating the book. It
makes an effort to see the book through the lenses of teachers as
well as students. The book looks forward to place teachers not just
as mere followers of the book introduced, but as reflectors, too,
upon various aspects of the book.
The entire study consisted of basically five phases. In the present
investigation, the definition of standardization has been adopted
as given by Roger T. Lennon i.e. here standardization means to
determine validity, reliability and norms of the test. The
definition is also mentioned in "Measurement in Physical Education"
by Donald K. Mathews (1978) The five phases are as follows: Phase
I: Planning and preparation of a test set of 50 questions from
Trigonometry for class IX. Phase II: Percentage of agreeability or
content-cum-face validity with the help of subject experts and
field experts. Phase III: Group try out for Item analysis. Phase
IV: The final try-out to obtain reliability Phase V: Developing
norms for the test. The above design of the study is also supported
by Lee J. Cronbach (1984).
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