Flashcards
Ch. 1 Scientific Inquiry
Cards in this deck (23)
- 1ExperimentA procedure carried out to support, refute, or validate a hypothesis
- 2HypothesisA proposed explanation for a phenomenon
- 3SampleIn statistics and quantitative research methodology, a set of data collected and/or selected from a statistical population by a defined procedure
- 4Natural LawA philosophy that certain rights or values are inherent by virtue of human nature and can be universally understood through human reason
- 5Scientific MethodA body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge
- 6Stratified SamplingIn statistics, stratified sampling is a method of sampling from a population
- 7TheoryA contemplative and rational type of abstract or generalizing thinking, or the results of such thinking
- 8Inductive ReasoningReasoning in which the premises are viewed as supplying strong evidence for the truth of the conclusion
- 9AnalysisThe process of breaking a complex topic or substance into smaller parts in order to gain a better understanding of it
- 10ScienceA systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe
- 11PseudoscienceA term used to describe a claim, belief, or practice presented as scientific, but which does not adhere to the scientific method
- 12PopulationAll members of a group being studies
- 13SampleA small portion that represents the characteristics of the overall population
- 14Simple Random Sampling-Every member of the population has an equal probability of being selected for the sample
-Each individual selection is independent of the others - 15Systematic Sampling-samples are selected at specific, predetermined intervals
-predetermined intervals
-random starting point - 16Stratified sampling-population is divided into subcategories
-individuals are randomly selected from each strata - 17Cluster sampling-population is divided up into clusters
-random clusters are selected
-every individual from selected clusters is sampled - 18Independent Variable-the variable that is manipulated
-changed to see its effect on other variables - 19Dependant Variable-the measured variable
-the variable that is affected/observed - 20Elements of presenting scientific data-Media
-References/sources
-Symbols formulas (where calculations are involved)
-Pictorial representations
-Graphs - 21Reliability of data collection (precision)How close together measurements are, consistency
e.g. 7.2, 7.0, 7.1, 7.2, 7.1, 7.1, 7.0, 7.1, and 7.1 - 22Accuracy of data collectionHow close data is to being correct
- 23Steps in a scientific investigation1. Observe something of interest
2. Formulate a question that can be answered in a measurable way
3. Formulate a hypothesis based on experience or research
4. Set up an experiment from which data can be gathered to test the hypothesis
5. Analyze the data and draw conclusions
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- Science Flashcards on Ch. 1 Scientific Inquiry, created by Livia Cerna on 07/04/2020.
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- Livia Cerna
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