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An independent samples t-test compares the means of two groups. The data are interval for the groups. There is not an assumption of normal distribution (if the distribution of one or both groups is really unusual, the t-test will not give good results with unequal sample sizes), but there is an assumption that the two standard deviations are equal. If the sample sizes are equal or very similar in size, even that assumption is not critical.
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This chapter, based on research conducted by members of the Collaborative CoCreation of Open Educational Resources by Teachers and Teacher Educators in Colombia (coKREA) project, assesses whether and how a contextually based, bottomup approach to the promotion and advocacy of Open Educational Resources (OER) – in which teachers are encouraged to collaboratively co-create resources – supports the adoption of OER in Colombian schools. The study, conducted with public school teachers in...
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This chapter, based on research conducted by members of the Collaborative CoCreation of Open Educational Resources by Teachers and Teacher Educators in Colombia (coKREA) project, assesses whether and how a contextually based, bottomup approach to the promotion and advocacy of Open Educational Resources (OER) – in which teachers are encouraged to collaboratively co-create resources – supports the adoption of OER in Colombian schools. The study, conducted with public school teachers in...
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Traditionally, education emphasizes on the use of textbooks for the acquisition of knowledge. However, educational settings around the world are now emphasizing on digital curricula that promote competences and performance. The purpose of this article is to examine the impact of use of Information and Communication Technology (ICT) on students' performance. Knowing the importance of ICT for education, the private schools of Pakistan emphasize the use of ICT; however, public schools lag...
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Children with Autism Spectrum Disorder (ASD) are known to have difficulty in social communication, with research indicating that children with ASD fail to develop functional speech (Lord and Rutter, 1994). Over the years a number of Augmented and Alternate Communication (AAC) devices have been used with children with ASD to overcome this barrier and to facilitate communication. This article examines an Indian AAC tool called AVAZ (meaning sound), which is the first of its kind in India. The...
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This paper seeks to identify the factors determining school enrollment in slum localities of Islamabad, Pakistan. A quantitative research design with the survey method was adopted to obtain data from household heads. The sample was consisted of 220 respondents. The data was collected with convenient sampling technique. A structured questionnaire was prepared as a tool for data collection. The data was analyzed with logistic regression model on STATA 0.9 software. The results disclosed that...
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Singilton Phiri Interactive Radio Instruction Specialist Save the Children in Malawi June 16, 2017 Before the introduction of sponsorship in rural Zomba in Malawi, walking...Read the full article...
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This study investigated effects of Computer-based blended learning strategy on Secondary School Chemistry students retention in individualised and collaborative learning settings in Minna, Niger State, Nigeria. The study adopted a quazi-experimental design and three research questions and three null hypotheses were formulated to guide the study. Multi-staged sampling procedure was used to select a total of 120 (71 female & 49 male) students from three co-educational schools within the study...
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Computer-supported collaborative learning (CSCL) has shown considerable promise, but thus far the literature has tended to focus on individual technological tools, without due regard for how the choice of one such tool over another impacts CSCL, either in outline or in detail. The present study, therefore, directly compared the learning-related uses of an online discussion forum against such use of a mobile instant-messaging app by the same group of 78 upper-division undergraduate...
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Computer-supported collaborative learning (CSCL) has shown considerable promise, but thus far the literature has tended to focus on individual technological tools, without due regard for how the choice of one such tool over another impacts CSCL, either in outline or in detail. The present study, therefore, directly compared the learning-related uses of an online discussion forum against such use of a mobile instant-messaging app by the same group of 78 upper-division undergraduate...