Question: Understand study design (observational vs. experimental vs. randomized experimental) Identify sampling methods and experiment techniques Identify the Study Type: Is the study observational, experimental, or

Understand study design (observational vs. experimental vs. randomized experimental) Identify sampling methods and experiment techniques Identify the Study Type: Is the study observational, experimental, or randomized experimental? 1. A group of students is given new math software to see if scores improve. Type: _______________________ 2. Researchers record daily step counts of volunteers for one month. Type: _______________________ 3. A school randomly assigns students to two groups: one using new software and one using the standard curriculum. Test scores are compared. Type: _______________________

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