describe signal detection functions

Author: zachll

motivating_information_detectors/motivating_performance_information.png

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+# Motivating information detectors
+Motivating information detectors are signal detection functions that identify motivating performance information in performance data. 
+
+## Motivating performance information 
+Motivating performance information is the information that healthcare professionals seek when viewing a performance dashboard or feedback report, to interpret their performance data. This including comparisons, trends, achievements, and losses that can guide future efforts to improve or sustain performance. These types of information are defined in the Performance Summary Display Ontology. 
+
+### Comparisons
+1. Positive gap
+2. Negative gap
+3. Consecutive positive gaps
+4. Consecutive negative gaps
+
+### Trends
+1. Improving trends
+2. Worsening trends
+
+### Performance events 
+1. Achievement
+2. Loss
+