Dean, Mark E.||Dunn, J. Hubert
M.S. Ed. (Master of Education)
Department of Physical Education
The problem was to determine the percentage of times a basketball shot by a varsity high school basketball player would rebound away from the shooter after hitting the basket and what percentage of shots would bounce back to the shooter. Twenty-one varsity high school basketball games were observed during the 1963-1964 season in Illinois. Seven of these games were observed at the Illinois High School Association Tournament. The five variables chosen as important to the study were the type of shot taken from the floor, the area from which the shot was taken, the hand used in shooting the shot, the distance from the basket that the shot was taken, and the location of the rebound. An investigation of free throws was also attempted in order to determine the side of the basket to which the majority of rebounds would fall. After the data was collected for the twenty-one games, each of the variables with the total number of shots rebounding opposite and returning were listed. The totals of the variables were compared with the null-hypothesis that one-half of the rebounds occurring in varsity high school basketball games would rebound away from the shooter and one-half would rebound to the shooter. A chi square test to compare experimentally obtained results with those to be expected was administered. With free throws, the null-hypothesis was that rebounds would fall to the right side of the basket fifty per cent of the time and the left fifty per cent of the time. The same chi square test was administered. The Centralia Holiday Tournament results were compared to the Illinois High School Association Tournament results. Again the same chi square test was administered. Five combinations of variables were found to be significant at the 0.05 level which indicated that the difference between the observed results and those expected was great enough that the hypothesis was rejected. The three most important variables that were significant at the 0.05 level were as follows: 1) the area where shots were taken in front of the basket, 2) the area where shots were taken within 5 to 10 feet of the basket, and 3) the area where shots were taken from the base line section of the floor. In each case, the rebounds returned to the shooter the majority of times. It was also discovered that 48 per cent of all rebounds went to the opposite side of the basket. In free throw percentage results it was found that free throws shot with the right hand were significant at both the 0.01 and 0.05 levels as was the total free throws shot. In both cases the free throws fell to the right side. In the comparison of the Centralia Tournament and the State Tournament, there were three combinations of variables that were not associated to each other. The two most important were the area in front of the basket and the area where shots were taken from 21 to 31 feet out. The results from the data indicated that it was very important to realize that a large number of rebounds would return to the shooter; therefore, a player should follow his shot and block out on defense. Also the idea that free throws tend to fall to the right side of the basket would indicate a need for placing the best rebounder on the right side.
Bryant, James E., "Percentage rebounding of selected varsity high school basketball teams under game conditions in Illinois" (1964). Graduate Research Theses & Dissertations. 4300.
iv, 116 pages
Northern Illinois University
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