1-biology lab quiz
Terms
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- what the investigator measures; it is affected by the experiment
- dependent variable
- variables that are held constant during an experiment
- control variable
- what the investigator varies in the experiment
- independent variable
- tentative explanation for an observation
- hypothesis
- drawing specific conclusions from general principles
- deductive reasoning
- what are the steps of the scientific method?
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observation
hypothesis
experiment
conclusion - hypothesis needs to be...
- testable
- pieces of info go in to a generalization
- inductive reasoning
- pieces of information are used to form a generalization
- inductive reasoning
- involves drawing specific conclusions from general principles
- deductive reasoning
- stays the same
- control groups
- this groups is used for comparison with an experimental group
- control group
- in this group, one factor is altered in some manner
- experimental group
- the variable the investigator varies during the experiment in hopes of affecting the dependent variable
- independent variable
- what you manipulate
- independent variable
- a scientist must be able to repeat the experiment numerous times using exactly the same conditions to see if results are consistent
- replication