Explain characteristics of effective data collection instruments

1. Clear Instructions: The data collection instrument should provide clear and precise instructions so that data collectors and respondents understand what is to be done and accomplished. 2. Valid Measures: The data collection instrument should use valid measures that measure what they intend to measure, with quantitative and qualitative data. 3. Reliability: The data collection instrument should be consistent and reliable, so that the data that is collected is reliable, and is not affected by irrelevant factors. 4. Comprehensiveness: The data collection instrument should be comprehensive in scope, covering all the relevant areas of inquiry. 5. Flexibility: The data collection instrument should be adaptable and flexible, so that it can be used for different purposes and contexts. 6. Cost-Effectiveness: The data collection instrument should be cost-effective, so that the time and money associated with collecting and analyzing data is minimized.