The Simple Difference Formula: An Approach to Teaching Nonparametric Correlation

Kerby, Dave S.

doi:10.2466/11.it.3.1

Cited by 383 publications

(314 citation statements)

References 21 publications

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“…To allow for multiple comparisons, probability values less than 0.01 were regarded as significant. Effect size was calculated following Kerby [19] as a matched-pairs rank-biserial correlation. Thresholds for assessing effect size followed Cohen (2002), i.e.…”

Section: Methodsmentioning

confidence: 99%

Do photographs, older adults’ narratives and collaborative dialogue foster anticipatory reflection (“preflection”) in medical students?

et al. 2016

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BackgroundIn changing higher education environments, medical educators are increasingly challenged to prepare new doctors to care for ageing populations. The Depth of Field: Exploring Ageing resource (DOF) uses photographs, reflective questioning prompts, older adults’ narratives and collaborative dialogue to foster anticipatory reflection or ‘preflection’ in medical students prior to their first geriatric medicine clinical placement. The aim of this research is to explore whether photographs, narratives and small group collaborative dialogue fosters reflective learning, enhances reflective capacity and has the potential to shift medical students’ attitudes towards caring for older adults.MethodsThis study used a mixed method evaluation design, measuring attitudes using pre and post questionnaire responses and individual written reflections drawn from 128 second year medical students, exploring their perceptions toward older adults.ResultsQuantitative and qualitative data indicated that the DOF session generated reflective learning that resulted in positive shifts in medical students’ perceptions towards older adults. The qualitative reflections were captured in four main themes: the opportunity provided to Envision working with older adults; the Tension created to challenge learners’ misinformed assumptions, and the work of Dismantling those assumptions, leading to Seeing older people as individuals.ConclusionsThese findings highlight how visual and narrative methodologies can be used as an effective reflective learning tool to challenge medical students’ assumptions around ageing and how these may influence their care of older adults.

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Section: Methodsmentioning

confidence: 99%

Do photographs, older adults’ narratives and collaborative dialogue foster anticipatory reflection (“preflection”) in medical students?

et al. 2016

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“…The association between the dichotomous and interval variables (Gender) can be tested by the rank-biserial correlation coefficient (Kerby, 2014). All the results on correlation or association are presented in Tab.…”

Section: Statistical Analysis and Resultsmentioning

confidence: 99%

Socio-Economic and Regional Factors of Digital Literacy Related to Prosperity

2017

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Purpose: to study social, economic, demographic, regional factors of digital literacy as a basis of digital prosperity.Methodology/Approach: Three research questions are studied, using regression models for cross-sectional data -Pooling model, Random effects model and Fixed-effects model and the Item Cluster Analysis method.Findings: Age, education, income and household type are the most significant factors of digital literacy, giving rise to the societal digital divide in Slovakia. Less important factors are the city size and the sector of the economy, but only weak is the influence of region, gender and nationality.

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“…Table 3 shows the average user scores for different methods together with the 95% confidence interval [43]. Besides, Table 4 shows the Wilcoxon signed-rank test results [42] by comparing the user scores of our approach with each of the compared method. Table 4 indicates the existence of significant user-score differences between our approach and the compared methods.…”

Section: Resultsmentioning

confidence: 99%

Tree-Based Visualization and Optimization for Image Collection

Han

Zhang

Lin

et al. 2016

IEEE Trans. Cybern.

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Abstract-The visualization of an image collection is the process of displaying a collection of images on a screen under some specific layout requirements. This paper focuses on an important problem that is not well addressed by the previous methods: visualizing image collections into arbitrary layout shapes while arranging images according to user-defined semantic or visual correlations (e.g., color or object category). To this end, we first propose a property-based tree construction scheme to organize images of a collection into a tree structure according to user-defined properties. In this way, images can be adaptively placed with the desired semantic or visual correlations in the final This work was supported in part by the National Science Foundation of China grants (61471235, 61472370, 61202207, and 61202154) Copyright (c) 2015 IEEE. Personal use of this material is permitted. However, permission to use this material for any other purposes must be obtained from the IEEE by sending an email to pubs-permissions@ieee.org. visualization layout. Then, we design a two-step visualization optimization scheme to further optimize image layouts. As a result, multiple layout effects including layout shape and image overlap ratio can be effectively controlled to guarantee a satisfactory visualization. Finally, we also propose a tree-transfer scheme such that visualization layouts can be adaptively changed when users select different "images of interest". We demonstrate the effectiveness of our proposed approach through the comparisons with state-of-the-art visualization techniques.

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The Simple Difference Formula: An Approach to Teaching Nonparametric Correlation

Cited by 383 publications

References 21 publications

Do photographs, older adults’ narratives and collaborative dialogue foster anticipatory reflection (“preflection”) in medical students?

Do photographs, older adults’ narratives and collaborative dialogue foster anticipatory reflection (“preflection”) in medical students?

Socio-Economic and Regional Factors of Digital Literacy Related to Prosperity

Tree-Based Visualization and Optimization for Image Collection

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