“Chi-square statistics were used to analyze the difference in the percentage of correct answers on the multiple-choice knowledge items at pretesting and posttesting.”
“Another weakness pertains to the varying levels of difficulty in the posttests interspersed throughout the module.”
“Data collection was anonymous, with a request for students to list the last four digits of their social security number so we could match pretests and posttests.”
“During the following school year, five classes consisting of 61 kindergartners were administered CAP pretests and posttests in September and April, respectively.”