Kantar Research and Development Interview Questions and Answers

Random sampling involves selecting subjects randomly, while non-random sampling involves selecting subjects based on specific criteria.

• Random sampling ensures each member of the population has an equal chance of being selected.

• Non-random sampling may involve convenience sampling, purposive sampling, or quota sampling.

• Random sampling is more likely to be representative of the population, while non-random sampling may in...read more

Qualitative research is appropriate when seeking in-depth understanding of complex phenomena.

• Use qualitative research when exploring new topics or phenomena

• When seeking to understand motivations, attitudes, or behaviors

• To generate hypotheses for further quantitative research

• When aiming to capture rich, detailed data that cannot be quantified easily

The analysis framework used for testing whether a hypothesis is true or false is hypothesis testing.

• Hypothesis testing involves setting up a null hypothesis and an alternative hypothesis.

• Statistical tests are then conducted to determine the likelihood of the observed data given the null hypothesis.

• Common statistical tests include t-tests, chi-square tests, and ANOVA.

• The p-value is used to determine the significance of ...read more