Scenario D. A researcher is interested in examining whether elementary school students' social skills changed after the pandemic Should we test this using a directional or non-directional hypothesis? O Non-Directional O Directional Question 16 0.25 pts Scenario D. A researcher is interested in examining whether elementary school students' social skills changed after the pandemic. What is the null hypothesis for this scenario? O Ho: Social skills did not change after the pandemic. O Ho: Social skills did change after the pandemic. O Ho: Social skills decreased after the pandemic. O Ho: Social skills increased after the pandemic. O Ho: Social skills did were the same or higher after the pandemic. Question 17 0.25 pts Scenario D. A researcher is interested in examining whether elementary school students' social skills changed after the pandemic. What is the alternative hypothesis for this scenario?