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LSH PS Unit 1A
Scientific Method
Term | Definition |
---|---|
Observation | Information gathered with the senses |
Inference | A mental judgement |
Science | A process of investigation |
Assumption | Something accepted as true without investigation |
Bias | Seeing things a certain way whether they are that way or not |
Qualitative data/observation | A category or label |
Quantitative data/observation | A count or measurement |
Hypothesis | A testable statement that proposes a cause and effect relationship between two variables |
Experiment | Testing a hypothesis under controlled conditions |
Variable | Any factor that can change during an experiment and affect the results |
Dependent variable | The measured variable |
Independent variable | The variable being tested |
Constant | Any variable that is not allowed to change during an experiment |
Control | Something to measure experimental results against |
Scientific Theory | An attempt to explain the evidence based on many investigations |
Scientific Law | A statement that gives 100% predictability |
Model | Anything that represents something else |
Technology | The application of scientific principles or concepts |
Blind study | A study in which the participants don't know if they are in the control or experimental group |
Double-blind study | The experimenter and the participants don't know who is in the control or experimental group |
Placebo effect | Something produces results because it is expected to |