[lemma=two] [word=sessions] □
[lemma=two] [word=sessions] □ □
[lemma=two] [word=sessions] (□ | □)
The mean percent correct scores from the two sessions as a function of bandwidth ratio are shown by the filled circles and the vertical lines represent plus and minus one standard deviation for each point . At the other extreme are agencies that have only one or two sessions with a patient or that are more or less social centers . The Assembly holds two sessions in a year - March and September during which all major policy matters are debated .