1. Inexpensive golf score counters worn on the wrist are useful for counting behaviors by inconspicuously “clicking off ” behaviors on the knob. 4. Pedometers can be used to measure activity levels....

1. Inexpensive golf score counters worn on the wrist are useful for counting behaviors by inconspicuously “clicking off ” behaviors on the knob. 4. Pedometers can be used to measure activity levels.

2. Knitting stitch counters also can be used to count behaviors; for example, a parent recording the number of times a child says or does something.