Section 1: Research and Assessment Methods Flashcards
Types of Data - Discrete
Set of finite data values (count or score), integers only
Types of Data - Continuous
Values in a continuous range (temperature or height)
Types of Data - Nominal
Values represent labels/names (1=good, 2=bad)
Types of Scales - Ordinal
Number indicates position in a list, ranking
Types of Scales - Interval
Measurement between values is proportional through the range (time, ruler)
Types of Scales - Ratio
Ratio between intervals is independent of the unit of measurement or zero point (eg floor area ratio)
Variance
measure of how far a set of numbers is spread out
Standard Deviation
measurement of variability or dispersion around a mean (square root of variance) “how a typical number differs from the rest”
Mean
Average
Median
Value that divides a group of numbers into two equal parts
Mode
Value with the highest frequency
Range
Difference between the largest and smallest values
US Census
count every 10 years, mandated by US Constitution, used to distribute congressional seats, make decisions about community services
Sunshine Laws and Open Meeting Social Media
Consult records retention laws and policies of jurisdiction to determine what to do
Paul Davidoff
Advocacy Planning
1960s
planners seek to represent interests of various groups within society