“…Numerous studies on reliability of REMs have resulted in best practice recommendations for test set-up, equipment, and environment and procedures (Larson et al, 1977; Pedersen et al, 1982; Wetzell & Harford, 1983; Ringdahl & Leijon, 1984; Hawkins & Mueller, 1986; Dirks & Kincaid, 1987; Killion & Revit, 1987; Tecca, 1990; Ickes et al, 1991; Stone & Moore, 2004). …”