Student Performance on Standardized Tests
Many different schools in different parts of the country have compared IMP students to students in the traditional sequence using traditional standardized tests such as the Scholastic Assessment Test (SAT). In all of these studies, there has either been no significant difference in scores or the IMP students have scored significantly higher. The consistency of these studies shows that IMP students are holding their own on these traditional measures. Thus, they are not being harmed by using a non-traditional curriculum. This finding is especially meaningful in view of the fact that about 20–30% of the IMP students' classroom time is spent learning important topics not covered on these standardized tests.
As an example of such a study, Eaglecrest School in Aurora, Colorado, compared ninth grade IMP students and ninth grade algebra I students at the beginning of their IMP and algebra I experience and at the end of the year (Interactive Mathematics Program, 1996). The IMP student raw SAT score (6.74) was below the algebra I mean (6.91) at the beginning of the year, but significantly above at the end of the year (9.66 versus 8.16).
In another example, the Stanford-9 Test was used to compare eleventh grade students at two magnet schools in Philadelphia (Wolff, April 1997 and August 1997). In one school, IMP students outperformed their traditional counterparts on 15 math-related scores, tied on two, and were outperformed on three. IMP students did better on all the cumulative scores. At the second school, IMP student outperformed traditional students on 26 Stanford categories and were outperformed in three.
In the larger matched pair study mentioned earlier (in the High School Grades and Retention section), after accounting for prior levels of achievement in 7th grade, there was no significant difference in SAT scores between the IMP and non-IMP group. When just the high-achieving students, who were in the top quartile in seventh grade (based on national norms), were compared, the IMP group average was higher (545) than the non-IMP group (531). but the difference was not significant.
Student Performance on Standardized Tests
Many different schools in different parts of the country have compared IMP students to students in the traditional sequence using traditional standardized tests such as the Scholastic Assessment Test (SAT). In all of these studies, there has either been no significant difference in scores or the IMP students have scored significantly higher. The consistency of these studies shows that IMP students are holding their own on these traditional measures. Thus, they are not being harmed by using a non-traditional curriculum. This finding is especially meaningful in view of the fact that about 20–30% of the IMP students' classroom time is spent learning important topics not covered on these standardized tests.
As an example of such a study, Eaglecrest School in Aurora, Colorado, compared ninth grade IMP students and ninth grade algebra I students at the beginning of their IMP and algebra I experience and at the end of the year (Interactive Mathematics Program, 1996). The IMP student raw SAT score (6.74) was below the algebra I mean (6.91) at the beginning of the year, but significantly above at the end of the year (9.66 versus 8.16).
In another example, the Stanford-9 Test was used to compare eleventh grade students at two magnet schools in Philadelphia (Wolff, April 1997 and August 1997). In one school, IMP students outperformed their traditional counterparts on 15 math-related scores, tied on two, and were outperformed on three. IMP students did better on all the cumulative scores. At the second school, IMP student outperformed traditional students on 26 Stanford categories and were outperformed in three.
In the larger matched pair study mentioned earlier (in the High School Grades and Retention section), after accounting for prior levels of achievement in 7th grade, there was no significant difference in SAT scores between the IMP and non-IMP group. When just the high-achieving students, who were in the top quartile in seventh grade (based on national norms), were compared, the IMP group average was higher (545) than the non-IMP group (531). but the difference was not significant.
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