Explain why the researchers should have used the two‑sided alternative hypothesis. The researchers selected the alternative hypothesis after examining the data. The alternative hypothesis should be formulated before examining data, and should be motivated by data. The researchers selected the alternative hypothesis before examining the data. The alternative hypothesis should be formulated after examining data, and should be motivated by data. The researchers selected the alternative hypothesis before examining the data. The alternative hypothesis should be formulated after examining data, and especially should not be motivated by data. The researchers selected the alternative hypothesis after examining the data. The alternative hypothesis should be formulated before examining data, and especially should not be motivated by data.