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Experimental Design Method |
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Definition
A systematic method of investigation using experimentation, observation, and deductive reasoning (making inferences). |
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Observation made using the 5 senses. |
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Quantitative Observations |
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Definition 3 Observations made using numbers, measuring tools, and amounts. |
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An interpretation or explanation using observations and prior knowledge. |
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A possible explanation for observations that relate to a scientific question; an educated guess about the outcomes of an experiment. |
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A statement or claim that a particular event will occur in the future. |
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Any factor in an experiment that can change. |
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Manipulated (Independent) Variable |
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The variable that the experimenter changes. |
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Responding (Dependent) Variable |
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The variable that changes as a result of the independent variable being changed; a response. |
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A variable that remains the same each time the experiment is conducted. |
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The number of times and experiment 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. It is a standard of comparison. |
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The group(s) that receive 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 during observations; information |
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finding the mean, median, mode, and best from data collected. explanations of skewed data and possible reasons for experimental errors. |
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average of the data... add the numbers and divide by the number of data collected |
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the middle number... rank the data from smallest to largest and choose the middle... if an even amount average the two in the middle |
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the most frequently occuring number in a set of data |
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a well tested scientific concept that explains a wide range of observations. |
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the study of the natural world; systematic knowledge derived from experimentation, observation, and study. Ability to solve problems |
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the horizantal (side to side) axis on a graph; the independant variable is placed here. |
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the vertical (up and down) axis on a graph; the dependant variable is placed here. |
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a summary of the experimental results. |
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