a. Did students tend to have higher reading scores after participating in the chess program? Justify your
Question:
a. Did students tend to have higher reading scores after participating in the chess program? Justify your answer.
b. If the study found a statistically significant improvement in the average reading score, could you conclude that playing chess causes an increase in reading skills? Justify your answer.
Some graphical and numerical information about the relationship between pretest and posttest scores is provided here.
Many chess masters and chess advocates believe that chess play develops general intelligence, analytical skill, and the ability to concentrate. According to such beliefs, improved reading skills should result from study to improve chess-playing skills. To investigate this belief, researchers conducted a study. All the subjects in the study participated in a comprehensive chess program, and their reading performances were measured before and after the program. The graphs and numerical summaries that follow provide information on the subjects’ pretest scores, posttest scores, and the difference (Post − Pre) between these two scores.
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