unit one list two Experimental Design CN Flashcards
Claim
statements in science supported by data and research
Constant
The factors that do not change during the experiment.
Evidence
information collected via rigorous scientific methods that changes their belief in the truth of factual claims of the first to the fourth kind
Experimental control
an element that remains unchanged or unaffected by other variables
Experimental bias
the unintentional influence of the experimenter’s expectations, beliefs, or preconceived notions on the outcome of a study or research experiment
Hypothesis
an assumption, an idea that is proposed for the sake of argument so that it can be tested to see if it might be true
Experimental procedure
the systematic procedures and steps followed in a research study to conduct experiments, gather data, and analyze results
Manipulated variable
a factor that is purposefully and specifically changed by the experimenter
Qualitative data
data representing information and concepts that are not represented by numbers
Quantitative data
measures of values or counts and are expressed as numbers
Reason
the process of explaining scientific discoveries through computational models, which demonstrate that discoveries can be made without relying on luck or exceptional abilities
Responding variable
what the scientist measures as a result of the test variable
Scientific model
a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes
Scientific method
a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
Scientific question
one where an investigation can be designed and completed to find out the answer without having to do multiple, entirely different investigations to get there
Scientific theory
a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment
Trends in data
a general change in one variable compared to another over a period of time
Valid experiment
relates to the experimental method and how appropriate it is in addressing the aim of the experiment