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.
Answered by The Community. Making the world better, one answer at a time. A stimulus variable is any conditions or manipulation by the experiments of the environment that evokes a response in an organization. A response variable is any kind of behaviour of the organism. Independent Variables by Definition In science and psychology, researchers use variables to measure specific values. 2  Variables help determine if making changes to one thing can make another change as well. 3  The 4  â¦. Investigations: Unconditioned Stimulus Examples Stimulus and response is part of introductory psychology.