Working with students with disabilities requires patience, compassion, precise measurement systems, and above all, powerful methods capable of producing remarkable change. When teachers lack any of the previously mentioned attributes or processes, trouble can follow.
When applying the scientific method, people will manipulate or observe “variables.” A variable refers to any factor a scientist can control, change, or measure in an experiment.
Many reasons exist for why chart users would explore a set of data displayed across time. Some people use functional assessment data and need to use a geometric mean to ascertain the level line. Other people may chart the scores of 8 different people, therefore stacked data represent each person's performance on the chart. Chartlytics allows chart users different options for data display: First, Median, Geometric Mean, Minimum, Maximum, and Stacked (Future release will include Summed).
Quick fact, linear graphs do a number of things to data that can have negative effects on interpretative behavior. For example, linear graphs always show changes between different magnitudes in a manner that can mislead the chart viewer. Take the data set below: