Development of a Test to Measure the Knowledge Level of Small Tea Growers on Scientific Tea Cultivation Practices
Suman Parasar *
ATMA, Kaliapani Block, District Agriculture Office, Jorhat, Assam, India.
Pabitra Kumar Das
Department of Extension Education, Biswanath College of Agriculture (AAU), Biswanath Chariali, Assam, India.
Indrajit Barman
Department of Extension Education, Biswanath College of Agriculture (AAU), Biswanath Chariali, Assam, India.
Kangkana Borah
ATMA, Biswanath Block, District Agricultural Office, Biswanath Chariali, India.
Shabnam Sultana
APART, Krishi Vigyan Kendra, Barpeta, India.
*Author to whom correspondence should be addressed.
Abstract
The present study was conducted to construct and standardize a test to measure the knowledge level of small tea growers on scientific technology on tea cultivation. The major steps followed for developing the test were construction of items, primary and final selection of items through difficulty index, discrimination index and biserial correlation. The final test comprised of 24 objective questions, referred to as items. The procedure adopted in the study can also be followed for developing knowledge test on any other aspect.
Keywords: Knowledge, scientific practices of tea cultivation, difficulty index, discrimination index, biserial correlation co-efficient