Social Studies, 28.06.2019 13:20 Drreeaa
Whether research is hypothesis-driven or not, scientists may use manipulative or observational experimental methods. in a manipulative experiment, a scientist manipulates one or more variables in the study, specifically the independent variable(s). in an observational experiment, a scientist observes differences that naturally occur. for each of the studies described below, indicate if it is hypothesis driven and whether the scientist is employing observational or manipulative methods.
Answers: 3
Social Studies, 22.06.2019 00:00
Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?
Answers: 1
Social Studies, 22.06.2019 10:40
Which type of antidepressant is matched with the correct neurotransmitter action? tricyclicsincrease activity of neurotransmitter gaba ssrisprevent neurotransmitter breakdown ssrisinhibit reuptake of serotonin mao inhibitorsincrease norepinephrine
Answers: 2
Social Studies, 22.06.2019 10:40
The specific department of health and human services (hhs) regulations that apply to research with children are known as: subpart b: additional protections for children involved as subjects in researchsubpart a: the common rulesubpart d: additional protections for children involved as subjects in researchsubpart c: protections for children in research
Answers: 1
Social Studies, 22.06.2019 15:00
Explain both sides of shays rebellion. include perspectives of the political leaders of the rebellion.
Answers: 3
Whether research is hypothesis-driven or not, scientists may use manipulative or observational exper...
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