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24 terms

Biology Honors Ch. 2 Vocab

Definitions
STUDY
PLAY
Data
recordings of information in reference to something observed
Independent Variable
Manipulated variable
factor that the scientist purposely change
Variables
factor in an experiment that can change
Quantitative Data
descriptions if numbers
Qualitative Data
Descriptions in words
Hypothesis
testable explanation
conclusion
summary statement
a statement summing up the results of the experiment
Scientific Law
fundamental underlying principles of how the universe is organized
Theory
a hypothesis the has been repeatedly tested and supported with little modification
Statistics
The science that deals with the collection, classification, analysis, and interpretation of numerical facts or data
Accuracy
the ability of a measurement to match the actual value of the quantity being measured
Precision
The ability of a measurement to be consistently reproduced
controlled variable (constants)
factor that scientists purposely keep the same
prediction
an inference about a future event based on evidence, prior experience, or prior knowledge
deductive reasoning
reasoning applying a generalization to a specific situation
big to small
inductive reasoning
reasoning using a set of specific observations to form a general conclusion
small to big
bias
to influence in a particular, typically unfair direction; prejudice
dependent variable
responding variable
the variable the scientist want to observe and measure
the factor the may change because of the independent variable
control group
does not have the variable being tested or the variable being tested in not changed, it is kept "normal"
experiment
tests done under controlled conditions to investigate cause and effect relationships
observations
information gained through the senses and recorded
scientific method
organized way to investigate
inference
explanations for observations based on prior knowledge and experience
experimental group
receives the variable being tested or the variable tested is varied