Answered: Learning math Developers of a new math…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Learning math Developers of a new math curriculum
called “Accelerated Math” compared performances of
students taught by their system with control groups of
students in the same schools who were taught using

traditional instructional methods and materials. Statis-
tics about pretest and posttest scores are shown in the

table. (J. Ysseldyke and S. Tardrew, Differentiating Math
Instruction, Renaissance Learning, 2002)
a) Did the groups differ in average math score at the
start of this study?

b) Did the group taught using the Accelerated Math pro-
gram show a significant improvement in test scores?

c) Did the control group show a significant improve-
ment in test scores?

d) Were gains significantly higher for the Accelerated
Math group than for the control group?

Instructional Method
Acc. math Control
Number of students 231 245
Pretest Mean 560.01 549.65
St. Dev 84.29 74.68
Post-test Mean 637.55 588.76
St. Dev 82.9 83.24
Individual gain Mean 77.53 39.11
St. Dev. 78.01 66.25

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