Brachial Plexus Injuries. The brachial plexus is a network of intertwined nerves that control movement and sensation in the arm and hand. A traumatic brachial plexus injury involves sudden damage to these nerves, and may cause weakness, loss of feeling, or loss of movement in the shoulder, arm, or hand.
There are three main types of descriptive methods: observational methods, case-study methods and survey methods. This article will briefly describe each of these methods, their advantages, and their drawbacks.
The journal Behavior Research Methods publishes articles concerned with the methods, techniques, and instrumentation of research in experimental psychology.The journal focuses particularly on the use of computer technology in psychological research. An annual special issue is devoted to this field.ims and Scope. Behavior Research Methods publishes articles concerned with the methods, techniques, and instrumentation of research in experimental psychology. The journal focuses particularly on the use of computer technology in psychological research.