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| 1 | |
In the activity, you explored important steps in the scientific method. Which best describes the sequence you went through to figure out the relationship between bubble behavior and the background color? |
| | A) | First, you observed bubbles on different background colors and formed questions. Second, you formulated a hypothesis based on observations and then third, you carried out an experiment to see if hypothesis was correct. |
| | B) | First, you observed bubbles on different background colors and formed questions. Second, you carried out an experiment and then third, you wrote in your notebook. |
| | C) | First, you formulated a hypothesis. Second, you carried out an experiment to see if hypothesis was correct. Then third, you did internet research to verify your results. |
| | D) | First, you observed bubbles on different background colors and formed questions. Second, you formulated a hypothesis based on observations and then third, you wrote in your notebook and printed out your results for your teacher to review. |
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| 2 | |
Why do Psychologists use the scientific method? |
| | A) | Because it is faster and more reliable than research. |
| | B) | Because knowledge can be acquired in a systematic, testable way. |
| | C) | Because it relies mostly on common sense. |
| | D) | Because it is easy to do in a psychological research lab. |
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| 3 | |
In the activity you changed the background color to see how the bubble behavior would change. The background color served as the _____________, while the bubble color served as the_____________. |
| | A) | independent variable, dependent variable. |
| | B) | dependent variable, independent variable. |
| | C) | experimental variable, control variable. |
| | D) | control variable, experimental variable. |
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| 4 | |
Xavier is doing an experiment for psychology class. He wants to see if jumping rope for two hours a day reduces cholesterol. He breaks his participants into two groups. First they all get their cholesterol checked by a doctor. Then Xavier asks the first group to jump rope every day for two weeks. The second group he instructs to simply follow their regular routine. Which of the following statements is correct? |
| | A) | The jumping rope group is the control group. |
| | B) | Neither group is an experimental group or control group. |
| | C) | The jumping rope group is the experimental group. |
| | D) | Both groups are experimental groups. |
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| 5 | |
Ya Chun works at a preschool and has noticed that children who eat a lot sugar seem to be more rambunctious then children who eat low sugar snacks. Ya Chun wants to know if sugar causes hyperactivity in children. She decides to use the scientific method to find out. What would be a good first step? |
| | A) | Write letters to the parents of the sugar eaters and ask them to provide better snacks. |
| | B) | Feed all of the children in the preschool very sugary snacks and look for behavior changes. |
| | C) | Set up a control group and an experimental group. |
| | D) | Form a testable hypothesis. |
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| 6 | |
Ever since ordering the new satellite package, Jackson watches TV all day and well into the night. His friend Sumi has noticed that ever since Jackson has been watching so much television his grades have fallen dramatically. She predicts that if Jackson stops watching TV his grades will go back up. Sumi’s prediction is an example of |
| | A) | an observation. |
| | B) | a behavioral change. |
| | C) | an experiment. |
| | D) | a hypothesis. |
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