Unit 1 List 2 Experimental Design Flashcards
(18 cards)
Claim
state or assert that something is the case, typically without providing evidence or proof.
Constant
occurring continuously over a period of time.
Evidence
He should make a properly evidenced victims’ compensation claim
Experimental bias
Experimental control
the degree to which the same intervention can be shown to have a predictable effect on behavior.
Experimental procedure
the manner in which an experiment is carried out
Hypothesis
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
“professional astronomers attacked him for popularizing an unconfirmed hypothesis”
Manipulated variable
If a scientist is testing the amount of water on plant growth, the amount of water would be the manipulated variable.
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
a cause, explanation, or justification for an action or event.
“the minister resigned for personal reasons”
Responding variable
the part of an experiment that a scientists measures and observes closely for a change or a response.
Scientific method
the process of objectively establishing facts through testing and experimentation.
Scientific model
a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes
Scientific question
a question that is written in a way that is helpful for completing scientific investigations
Scientific theory
an idea or set of ideas that is intended to explain facts or events
Trends in data
the general change in a variable with time
Valid experiment
a research method that accurately measures the effect of an independent variable on a dependent variable