Week 1 Flashcards
What are statistics
Mathematical procedures used to help understand information
What is data
Measurements, observations, scores
What is a data set
A collection of measurements
What is datum
1 piece of data (singular)
What are variables and values
Pieces of information collected about a characteristic or condition
What is standardizing
Universal language to ensure everyone is on the same page
What is operationalizing a construct
How we define a variable, external factors we are using or the cluster of behaviours that we use as an indictor of construct
What is scaling
The process of putting a number value on a score
What is a nominal measurement
Nominal level of measurement is the least precise and informative, because it only names the ‘characteristic’ or ‘identity’ we are interested. In other words, in nominal variables, the numerical values just “name” the attribute uniquely. In this case, numerical value is simply a label
What is a ratio measurement
The highest level of measurement that provides the most information
What is ordinal measurement
Ordinal data is a categorical, statistical data type where the variables have natural, ordered categories and the distances between the categories are not known e.g a scale
What is interval measurement
The interval level is a numerical level of measurement which, like the ordinal scale, places variables in order. Unlike the ordinal scale, however, the interval scale has a known and equal distance between each value on the scale (imagine the points on a thermometer).
Name two types of parametic data
Ratio, Interval
Name two types of non-parametric data
Ordinal, Nominal
What is the independent variable?
The “cause” - can be manipulated
