This study assessed the bipolarity of cognitive style for 970 clients of the Johnson O'Connor Research Foundation, a vocational guidance service. The 462 male and 508 female examinees were aged 14 to 65 years, with a median age of 24 years. Three cognitive style tests were investigated: (1) the Kagan Matching Familiar Figures Test (KMFFT); (2) the Verbalizer-Visualizer Questionnaire (VVQ); and (3) a test of global versus analytic problem solving constructed for this study. For the KMFFT, speed and accuracy were negatively related, supporting the bipolar interpretation. For the VVQ, verbal and visual orientation were essentially independent, indicating that two distinct attributes were being measured. For the test of global and analytic problem-solving abilities, the two abilities were positively related, indicating that they are both manifestations of a single underlying ability. These findings are further supported by correlations with a battery of aptitude tests. Implications of these results for conceptualizations of cognitive style are discussed. Two tables, 3 figures, and a 14-item list of references are included. (Author/SLD)