APPENDIX
F
NON-SIGNIFICANT INTERACTIONS ON TWO WAY ANOVA
Table A
Two Way ANOVA on Achievement in Linear
Functions: Cartesian Coordinates
Source |
SS |
df |
MS |
F |
P |
Pre-Post |
80.63 |
1 |
80.63 |
51.39 |
.000 |
Control-Experimental |
1.90 |
1 |
1.90 |
1.21 |
.274 |
Interaction |
5.63 |
1 |
5.63 |
3.59 |
.061 |
Table B
Two Way ANOVA on Achievement in Linear
Functions: Graphs
Source |
SS |
df |
MS |
F |
P |
Pre-Post |
7.58 |
1 |
7.58 |
4.54 |
.036 |
Control-Experimental |
10.39 |
1 |
10.39 |
6.23 |
.014 |
Interaction |
5.35 |
1 |
5.35 |
3.20 |
.077 |
Table C
Two Way ANOVA on Achievement in Linear
Functions: Symbolic Representation
Source |
SS |
df |
MS |
F |
P |
Pre-Post |
1.55 |
1 |
1.55 |
2.96 |
.089 |
Control-Experimental |
.001 |
1 |
.001 |
.02 |
.900 |
Interaction |
1.05 |
1 |
1.05 |
2.00 |
.160 |
Table D
Two Way ANOVA on Achievement in Linear
Functions: Tabular Representation
Source |
SS |
df |
MS |
F |
P |
Pre-Post |
3.13 |
1 |
3.13 |
4.52 |
.036 |
Control-Experimental |
3.46 |
1 |
3.46 |
4.99 |
.028 |
Interaction |
2.40 |
1 |
2.40 |
3.46 |
.066 |
Edgardo José Avilés-Garay was born on November 10, 1971 in Ponce, Puerto Rico. He attended the Inter American University of Puerto Rico, receiving a Bachelor of Science degree in Pure Mathematics, and a Bachelor of Arts degree in Secondary Mathematics Teaching, both with the distinction of Magna Cum Laude in 1994. As undergraduate student, he received the Barry M. Goldwater Scholarship for students in science and mathematics majors in 1991. In his last year at Inter American University, the Teachers Association of Puerto Rico awarded him the medal on excellence in pre-service teaching. He has certification as teacher of mathematics from the Puerto Rico Department of Education.
In 1996 he graduated from the Pontifical Catholic University of Puerto Rico with a Master of Education degree, majoring in Curriculum and Teaching. He was admitted to pursue his doctoral degree in Mathematics Education at the University of Illinois at Urbana-Champaign on the fall semester of 1997.
He has taught mathematics and computers at middle and high school levels for two years in private and public institutions. He started teaching algebra, precalculus and calculus courses as lecturer of mathematics at Ponce Campus of the Inter American University of Puerto Rico, since spring semester 1997. He returned to teach in the fall semester of 2000.
Edgardo is member of the National Council of Teachers of Mathematics since 1993. He has served as a reviewer for NCTM professional journals for the last two years. Since 1996, he is member of the Ponce Chapter of the Phi Delta Kappa, and was its executive treasurer for two years. In 2000, he was invited to become a member of the Phi Kappa Phi Honor Society, Urbana-Champaign Chapter.