Answer:
Besides raising the likelihood of market volatility, the invasion is likely to add to inflationary pressures by disrupting exports of oil, natural gas, and wheat from Russia and Ukraine and raising prices. The impacts of the conflict are likely to vary depending on geography.
The research error described above is an example of selection bias.
Selection bias takes place when, from a population of interest, a group of individuals is selected in order to construct a sample but without a proper randomization. The result is a sample which is not representative of the underlying population.
According to the example, the target population of the research comprises all students but the sample only includes boys. Hence, selection has not been random because it followed a gender criteria, and the results obtained using it cannot be applicable to the whole population because they are affected by a selection bias.
Answer: A I'm pretty sure correct me if I'm wrong.
