THEORETICAL-ANALYSIS OF A MULTIDIMENSIONA L MOOD QUESTIONNAIRE (MDBF)

The multidimensional mood questionnaire (MDBF) is a psychometric instr ument for the assessment of the three mood dimensions ''pleasant-unple asant'' (scale G; 16 items), ''awake-sleepy'' (scale W; 8 items) and ' 'calm-restless'' (scale R; 8 items). Results about reliability and val idity are reported based on a sample of 503 subjects on four occasions of measurement (3 weeks apart). The reliabilities (split-half correla tion with Spearman-Brown formula for double length) for the four occas ions of measurement are between .96 and .97 for scale G, between .94 a nd .96 for scale W, and between .87 and .94 for scale R. As a first st ep toward validation, correlations between the three scales of the MDB F and several personality variables (FPI-R) as well as some situationa l variables (FBL-K, daily hassles and uplifts scales) are also reporte d.