Materials Procedure Conclusion Background Bibiography |
To analyze the data, we made two tables, one analyzing tests involving both sides of the tongue (left/right), and one analyzing tests involving either the right or the left sides (boths).
The right/left table consisted of two columns and two rows, containing the answers for the left and right sides. The percentage of corrects for the left and right sides must have a difference of at least 25%, to be considered to display dominance.
For the boths, we used a table with 3 boxes, in which the answers for right, left, or both were placed. By using a table that showed the proportions of binomial distribution, we determined whether there was a 25% probability of chance or lower. If it was lower, that meant that there was at least a slight indication of dominance.
After completing the testing, we found that in the both sided tests, 13 people out of the 30 tested showed a dominance to one side or the other. However, in the right/left tests, only 5 people showed any dominance.
We also kept track who had what dominance in other parts of their bodies. We used this information to compare dominance in different parts of the body. Using this table we discovered there is almost no correlation between the tongue and the rest of the body. 