The video discusses the strengths and weaknesses of quantitative research, highlighting its objectivity, reliability, and ability to generalize findings through statistical techniques. However, it also points out the challenges such as the need for large sample sizes, high costs, and potential issues with data validity if questionnaires are not properly administered.

This chapter discusses the strengths and weaknesses of quantitative research. It highlights the objectivity, reliability, and ease of analysis of quantitative methods, while also noting the challenges of large sample sizes, cost, and lack of contextual detail.

The accuracy and validity of data from questionnaires depend on the seriousness and correctness of respondents' answers. Researchers must ensure the use of well-prepared and validated instruments, preferably standardized ones, to avoid ethical issues and inaccuracies.