Geraniums have been popular garden perennials for a long time, and have lots of devotees. Consequently, there are lots of good sources of information on the internet. A good start is provided by the Open Directory Project's geranium category. For a primer on erodiums, this page from the UK gives a good overview.
Stimulus control is the phenomenon of a stimulus increasing the probability of a behavior (operant response) because of a history of that behavior being differentially reinforced in the presence of the stimulus.
Feedback Control Defined. Feedback control is a process that managers can use to evaluate how effectively their teams meet the stated goals at the end of a production process. Feedback control evaluates the teamâs progress by comparing the output the team was planning on producing to what was actually produced.