['APPENDIX', 'Test', 'Details', 'Regular', 'smokers', 'of', 'full', 'flavor', 'filter', 'cigarettes', '(10)', 'and', 'plain', 'end', 'cigarettes', '(8)', 'evaluated', 'the', 'following', 'six', 'cigarettes', 'in', 'a', 'pilot', 'study:', ' ', 'Expected', 'Description', 'Construction', 'PD', 'Vent.', 'Tar', 'Unfiltered/unventilated/', 'Camel', 'Plain', '2.9', 'Ba', '18.5', 'plain', 'end', 'Unfiltered/ventilated/', 'Camel', 'Plain', '+', '1.7', '37', '11', 'plain', 'end', 'ventilation', 'Unfiltered/ventilated/', 'Camel', 'Plain', '+', 'inet', '57', '10', 'ARIES', 'I', 'ventilated', 'ARIES', 'I', 'mouthpiece', 'Filtered/ventilated/', 'Camel', 'Plain', '+', '43', '22', '10-11', 'ARIES', 'appearance', 'ventilated', 'CA', 'filter', '+', 'short', 'ARIES', 'mouth', 'end', 'cap', 'Filtered/ventilated/', 'Camel', 'Plain', '+', '4.8', '14', '14', 'conventional', 'CA', 'ventilated', 'CA', 'appearance', 'filter', 'Filtered/unventilated/', 'Camel', 'Plain', '+', '4.3', 'a', '16.5', 'conventional', 'CA', 'unventilated', 'appearance', 'CA', 'filter', 'Participants', 'were', 'asked', 'to', 'focus', 'only', 'on', 'smoke', 'properties', 'and', 'to', 'ignore', 'any', 'visual,', 'tactile,', 'and', 'draw', 'differences.', 'They', 'were', 'also', 'permitted', 'only', 'to', 'smoke', 'the', 'first', 'third', 'of', 'each', 'cigarette.', 'First,', 'they', 'made', 'replicate', 'ratings', 'of', 'each', 'cigarette', 'for', 'impact,', 'irritation,', 'tobacco', 'taste,', 'bitterness,', '"“taste/irritation', 'balance,"', 'aftertaste,', 'and', 'similarity', 'to', '“what', 'they', 'are', 'used', 'to".', 'In', 'the', 'second', 'phase', 'of', 'testing,', 'they', 'rated', 'the', 'acceptability', 'of', 'each', 'cigarette,', 'again', 'based', 'on', 'smoke', 'properties.', 'Results', 'Figure', 'A-l', 'shows', 'attribute', 'rating', 'results', 'from', 'the', 'two', 'groups', 'of', 'smokers.', 'Bitterness', 'is', 'deleted', 'because', 'it', 'failed', 'to', 'differentiate', 'cigarettes.']