Extension Research Methodology Basics to Advances

Extension Research Methodology Basics to Advances
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Extension Research Methodology Basics to Advances

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Publisher: Agrobios Publications
ISBN: 9788183212977
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Preface ........................................................................... 9 Section 1 Prelude ......................................................................... 13 Why do we conduct research ............................................................................................ 13 How do we Know ............................................................................................................... 13 What is science ................................................................................................................. 14 What are the assumptions of science ................................................................................ 16 What is the aim of Social Sciences including Extension Education ................................... 16 How important is research methodology ............................................................................ 17 How does research proceed .............................................................................................. 17 Why do we need concepts in Extension research ............................................................. 18 What are the functions and types of the theory .................................................................. 18 Model ................................................................................................................................... 20 How to decide the research problems ............................................................................... 20 How to select variables ...................................................................................................... 21 What relationship exists between variables ....................................................................... 21 Is it necessary to formulate hypothesis .............................................................................. 22 What will make possible the testing of hypothesis ............................................................. 23 Which research design should be used and why ............................................................... 23 Why should we follow sampling procedure ........................................................................ 24 What should be the sample size ........................................................................................ 25 How to measure the variables ........................................................................................... 25 How do we record the data ................................................................................................ 25 How do I process the data ................................................................................................. 26 How do I analyse my data ................................................................................................. 26 How should we interpret the results ................................................................................... 27 How do we draw inference from the results ....................................................................... 27 What format should be followed in scientific writing ........................................................... 28 Why should an extension scientist adhere to ethics in research ........................................ 28
Section 2 Notes on Univariate Analysis ..................................... 31 Frequency Distribution ......................................................................................................... 31 Percentage Analysis ............................................................................................................ 31 Measures of Central Tendency ............................................................................................ 31 Mean Arithmetic Mean ...................................................................................................... 32 Median ................................................................................................................................. 32 Mode ................................................................................................................................... 32 Measures of Dispersion ....................................................................................................... 32
Range .................................................................................................................................. 32 Variance and Standard Deviation ........................................................................................ 32 Coefficient of Variation......................................................................................................... 32 Univariate Distribution.......................................................................................................... 33
Notes on Bivariate Analysis ....................................... 34 Nominal Measures of Relationship ...................................................................................... 34 Ordinal Measures of Relationship ........................................................................................ 34 Interval Measures of Relationship........................................................................................ 35
Notes on Multivariate Analysis ................................... 37