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A study was designed to develop a standardized test to measure the knowledge of rice farmers. Pertinent items covering every aspect of rice cultivation were collected with the help of subject matter specialists, progressive farmers, and scientists along with related literature. After getting experts opinion, items were subjected to difficulty index, discrimination index, correlation, reliability and validity. Items with 20-80 of difficulty level, items with 0.20-0.80 discrimination index and significant either at 1 percent or 5 percent level point in biserial correlation were selected and admitted to rice to measure knowledge level on rice cultivation. A total of 47 items were included in the final knowledge test to measure the knowledge level of farmers in rice cultivation.
Prasanna et al. (Wed,) studied this question.