Gavin's study compared reading error rates and reading comprehension scores between two groups of 50 third-grade students that received different reading programs. His t-test data analysis did not indicate any differences between the two types of instruction.
-The treatment variable in Gavin's study is
A) error rates.
B) third graders.
C) reading instruction.
D) reading comprehension.

Question

Quizplus · Accepted Answer

The treatment variable in this study is the different types of reading instruction that the two groups received. Therefore, the correct answer would be C. The error rates and reading comprehension scores were the outcome variables that were measured to determine if there was a significant difference between the two types of instruction.

Gavin's Study Compared Reading Error Rates and Reading Comprehension Scores