Avaliação de atitudes de estudantes de psicologia via modelo de crédito parcial da TRI

The aim of this work was to assess psychology students’ attitudes toward statistics trough credit partial model of IRT, and to identify the association among the students’ attitudes, academic performance, and selfperception in Statistics. A not random sample of 361 Psychology students answered the identification questionnaire and the attitudes scale towards Statistics. The students aged 18-65, 81% were female and 53% from evening classes. The likert scale is composed of 20 items, ten positives and ten negatives, which express the feelings towards Statistics. There is one item which verifies the university student’s self-perception towards its own performance in Statistics. It was observed that the scale was reliable and valid to measure attitudes. The students presented their attitudes slightly more negative than positive. It was noticed the existence of positive and significant correlations among attitudes, academic performance and performance self-perception.