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F. Ghadiri, A. Bahram, A. Rashidipoor, S. Zahedi Asl,
Volume 1, Issue 2 (3-2014)
Abstract

The Purpose of this study was investigating the effects of the emotion elicitation on the enhancement of the implicit motor memory. To achieve this goal, of the students of Kharazmi University, 40 undergraduate students (20 male and 20 female students), who were accessible, were selected, and then they were divided randomly into two emotional and neutral groups: in each group there was 10 men and 10 women. Serial color matching task was considered for this study. The experiment included two periods: acquisition and remembering period. In the acquisition period, all groups practiced the task for six blocks of 150 trials with the repetitive and random frequency. During the acquisition period, the emotion of a group was aroused by the method of manipulating failure while the other group was in a neutral situation. During the experiment, the changes occurred in the density of the salivary cortisol and anxiety was measured. The Results showed that increasing the emotion of the task could increase the density of the salivary cortisol and anxiety. Furthermore, while the neutral group had no enhancement in SCRT learning during the 24 hours, the emotional group showed substantial enhancement during the same period of time.  


Saeideh Zahed, Fariborz Dortaj, Hasan Asadzadeh, Parvin Kadivar, Noorali Farokhi,
Volume 9, Issue 1 (3-2021)
Abstract

Cognitive Load Theory is one of the most powerful research frameworks in educational research. The main concern within this framework is to develop a proper instrument to measure cognitive load. Hence, the goal of this research was to investigate the reliability and validity of the Cognitive Load Questionnaire designed by Kelpsch, Schmitz and Seufert (2017). This questionnaire was administered to 206 seventh- and eighth-grade female students, in which they rated the amount of intrinsic, germane, and extraneous load of various learning tasks on a 7-point Likert scale. The reliability and validity of the questionnaire were examined and confirmed through Cronbach's alpha coefficient and t-test in which the quality of individuals' answers in different tasks were compared together. In addition, confirmatory factor analysis was performed using LISREL 8.80, to investigate factor structure of the questionnaire. The results showed that the questionnaire has desirable reliability and validity to measure different types of cognitive load. The results of confirmatory factor analysis also revealed a three-factor structural model whose fit indices suggested a desirable fit with the data, thus corroborating the three-factor structure of the cognitive load questionnaire. Therefore, this questionnaire can be a proper measure to assess different types of cognitive load in seventh and eighth grade students.


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