Term
Experimental Design Method
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Definition
| A systematic method of investigation using experimentation, observation, and deductive reasoning |
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observation made using the 5 senses
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| Quantitative Observations |
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| observations made using numbers, measuring tools, and amounts |
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| an interpretation or explanation using observations and priop knowledge |
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Definition
a possible explanation for observations that relate to a scientific question
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any factor in an experiment that can change
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| Manipulated or Independent Variable |
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| the variable that the experimenter changes |
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| Responding or Dependent Variable |
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| the variable that changes as a result of the independent variable being changed |
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the variables that remain the same each time the experiment is conducted
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| the number of times an exp. is repeated... to eliminate errors |
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| the group that the others are compared to or the group that receives no special treatment |
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| the group(s) that recieve special treatment or that are changed in some way |
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| mistakes that skew the results that are unrelated to the variable that was manipulated |
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facts, figures, and other evidence gathered through observation
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| finding the mean, media, mode, and best from data collected. Explanation of skewed data and possible reasons for experimental errors |
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the average of the data... add the numbers and divide by the number of data collected
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the middle #... rank the data from smallest to largest and choose the middle... if an even amount, average the 2 in the middle
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the most frequently occuring # in a data set
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Definition
an average of the mean, median, and mode
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Definition
a well tested scientific concept that explains a wide range of observations
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