1. Describe with a neat sketch how the nanoparticles are prepared employing the top-down methods, namely, milling and lithography. 2. Explain with a suitable diagram, the synthesis of nanostructured materials….
how to administer a questionare
In generating survey questions, a researcher should consider three points:
1. Questions should not lead the respondent to an answer. Good survey questions avoid influencing the respondents’ thinking about the issue. For instance, a question that asks Is our current president completely out of touch with public opinion? leads the respondent toward a negative evaluation of the president. Such questions prompt respondents to take up a certain position even before answering. A better approach is to state the question without leading the respondent, such as: Is the current president in touch with labor issues in the United States?