Four studies bridged the areas of personality-mood and mood-cognition relations by investigating the effects of Extraversion and Neuroticism on the evaluation of affectively pleasant, unpleasant, and neutral word pairs. Specifically measured were affectivity ratings, categorization according to affect, judgments of associative strength, and response latencies. A strong, consistent cognitive bias toward affective as opposed to neutral stimuli was found across participants. Although some biases were systematically related to personality and mood, effects of individual differences were present only under specific conditions. The results are discussed in terms of a personality-mood framework and its implications for cognitive functioning. Personality traits influence the frequency and intensity of experienced