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jimmy H
chapter 2
| Question | Answer |
|---|---|
| conclusion | a decition based on the investigation |
| constant | a variable that does not change in an experiment |
| controll group | a set of observations in which no variables are changed |
| controlled variable | variable that has no change from trial to trial |
| database | large collection of data in a computer that can be found and used easily |
| dependant variable | the factor that may or may not be affected by the change to the independent variable |
| fair test | makes a change in just one independent variable at a time |
| hypothesis | a testable idea |
| independent variable | variable that is isolated for study in an experiment and that the experimenter manipulates |
| research questions | a question used to complete an investigation |
| sample size | number of observations or data |
| simulation | an experiment that attempts to model an actual process or event |
| spreadsheet | a computer file organized in rows and columns |
| systematic investigations | an investigation in which all variables are identified and recorded so that the investigationn can be repeated |
| variable | changeable factor |
Created by:
11housej
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