Factorial designs have the advantage of decreasing error variance in the data, which tends to
a. increase the nonsystematic variance.
b. decease the systematic variance.
c. increase the statistical power.
d. decrease the statistical power.
Question 2
In making decisions about what subjects to use in study, researchers often have to think about the __________, the entire set of cases to which one makes reference, and the __________, which is defined as a subset of the larger group.
a. experimental group; control group
b. control group; experimental group
c. sample; population
d. population; sample
Extent of agricultural activity across the planet (data from Foley et al. 2005).
Example of variance documentation
Material safety data sheets (MSDS), now called safety data sheets (SDS), should be readily available ...
Acquiring Weather Data
Controlling access to water in order to gain political and strategic advantage in Gaza
Data Used to Analyze Productivity in Country 1 and Country 2