Measurement, Variables, & Inferencing Flashcards
what is a variable
a measurement that can assume more than one value
what is a constant
a measurement that can only assume one value and never changes
what is a continuous variable
a variable that can assume any value that includes decimals
what is a discrete variable
a variable that is limited to certain values that are usually whole numbers
what is a nominal scale
a variable that is grouped into categories
what is an ordinal scale
a variable that is ranked in an order, but with no indication of how much better one rank is than the other
what is an interval scale
a variable that is ranked in an order and has an equal distance between values but does not have an absolute zero
what is a ratio scale
a variable that is ranked in an order and has equal distance between values that has an absolute zero
what is an independent variable
the variable that is controlled by the researcher
what is a dependent variable
the variable that is measured by the research that is usually influenced by the independent variable
what is a parameter
a value of an entire population
what is a statistic
a value of a sample from the population
