ACT (Science)

Comparing Groups – Practice #1

Read the study below, keeping in mind our three main tips for “reading with purpose”. After you’ve read the passage, try and answer the three questions:  Reading with Purpose 3 Main Questions: Which groups are being compared?  Which metrics (characteristics/properties) of the groups are being compared? Is this an observational study or an experimental study? […]

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Observational vs. Experimental Studies

One of the most important things to evaluate when reading a science passage is to determine whether the data being discussed comes from an observational study or an experimental study. Observational Studies An observational study is quite simple. You are simply observing and recording something you are interested in, without manipulating (changing) anything. One way to think about observational

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Introduction to Groups

Thinking About Groups Every day, we make thousands of observations about the world and our surroundings. You notice that your favorite bubble gum from Brand A is usually much sweeter than the one from Brand B. You talk to your friends about how this year’s incoming freshman class seems taller than the previous class. You

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