Unit 1 List 2 Experimental Design Flashcards
Claim
state or assert that something is the case, typically without providing evidence or proof.
Constant
occurring continuously over a period of time.
Evidence
the available body of facts or information indicating whether a belief or proposition is true or valid.
Experimental bias
the unintentional influence of the experimenter’s expectations, beliefs, or preconceived notions on the outcome of a study or research experiment.
Experimental control
a scientific test done under controlled conditions, meaning that just one (or a few) factors are changed at a time, while all others are kept constant.
Experimental procedure
the manner in which an experiment is carried out
Hypothesis Manipulated variable
the factor or condition that is purposely changed by the scientist
Qualitative data
non-numeric information, such as in-depth interview transcripts, diaries, anthropological field notes, answers to open-ended survey questions, audio-visual recordings and images.
Quantitative data
measures of values or counts and are expressed as numbers
Reason
a cause, explanation, or justification for an action or event.
Responding variable
the factor that is measured by the scientist as a result of the effects of the manipulated variable.
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 model
a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes
Scientific question
a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes
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
