In this paper a new Query Performance Prediction method is introduced. This method is based on the hypothesis that different score distributions appear for ‘hard’ and ‘easy’ queries. Following we propose a set of measures which try to capture the differences between both types of distributions, focusing on the dispersion degree among the scores. We have applied some variants of the classic stan...

This study aims to determine the effect of birthing ball on labor pain during first active phase in women giving birth at Kurao maternity clinic, Padang. research uses a quantitative approach with quasi-experimental non-randomized control group pretest-posttest design. The results showed that method intensity 1 before and after being given obtained moderate providing process was 1.80. In contra...

Twenty ten-minute oral presentations made by Swedish students speaking English have been analyzed with respect to the standard deviation of F0 over long stretches of speech. Values have been normalized by division with the mean. Results show a strong correlation between proficiency in English and pitch variation for male speakers but not for females. The results also identify monotone and disfl...