[Solved] Which leader action is most likely to improve a group decision? A)ask judgmental questions to stimulate more creative solutions B)separate solution generation from solution evaluation C)identify someone who is responsible for causing the problem D)insist that the person who suggests a solution must defend it Observations: The act of noting and recording something with instruments or the naked eye as part of a scientific or empirical study. Untreated Population: A group in a study or an experiment that does not receive the treatment or intervention being tested. Significance Level: The threshold in hypothesis testing that determines the probability of rejecting the null hypothesis when it is actually true, often denoted by alpha. Treatment Group: In experimental research, a group of subjects who receive the treatment or intervention under study.