Journal of Visual Impairment & Blindness 

About: Journal of Visual Impairment & Blindness is an academic journal. The journal publishes majorly in the area(s): Braille & Visual impairment. It has an ISSN identifier of 0145-482X. Over the lifetime, 3889 publications have been published receiving 38538 citations.

Convenience Sampling, Random Sampling, and Snowball Sampling: How Does Sampling Affect the Validity of Research?:

Abstract: methodologies and statistics, I was not able to really determine if the authors of the papers had thoroughly studied the subjects and if the results truly supported the discussed findings of the authors. If the authors said the study had been a success, I had to take their word for it. The findings were published in a peer-reviewed journal. Why would I question them? I returned to school and earned a master’s degree, and then I began working on my doctoral degree at Vanderbilt University. By that time, my entire life revolved around research methodology and statistics. I had taken numerous classes that focused on research. I read and read research. I wrote about research. If my professors could have found a way to make research a sustainable food source, I probably would have been eating research! I still had a deep interest in CVI, so I decided to go back and focus on some of the articles I had previously read and reevaluate them. When I took a second look at these articles, I realized I had not understood nearly as much as I thought I had at the time. I also came across the article by Cohen-Maitre and Haerich, “Visual Attention to Movement and Color in Children with Cortical Visual Impairment,” which was published in July 2005 in the Journal of Visual Impairment & Blindness (JVIB). In the article, the authors thoroughly and systematically examine the role of color, movement, and color preference in children with CVI. Although the study found the children were more visually attentive to color than grayscale stimuli and more attracted to moving stimuli than static stimuli, the study did not find any indication of a preference for any particular color in any of the participants. This finding shocked me. Based on what I had learned previously, I thought color preference was one of the most prevalent characteristics of CVI. Although no single study can empirically prove or disprove a theory, this JVIB article helped me realize that there were a lot of areas on which experts in CVI still did not agree. I have read the article by Cohen-Maitre and Haerich numerous times throughout the course of my career, and I always introduce it to my students when I am presenting information about CVI. I share it with my students in the hope of teaching two lessons. First, I hope the article helps them learn about CVI and gain multiple perspectives about which strategies work and which are less effective with children with CVI. When I present this article to my students, I also talk about the journey I went through and describe how I once believed every research article I read without being able to objectively judge the strength of its methodology. I use this article to help my students understand that their knowledge base truly affects the way in which they perceive information. As an interventionist and a consumer of research, and for all these reasons detailed here, this article truly mattered to me.

Personal Guidance System for People with Visual Impairment: A Comparison of Spatial Displays for Route Guidance

Abstract: This article reports on a study of route guidance using a navigation system that receives location information from a Global Positioning System receiver. Fifteen visually impaired participants traveled along 50-meter (about 164-foot) paths in each of five conditions that were defined by the type of display interface used. One of the virtual displays—virtual speech—led to the shortest travel times and the highest subjective ratings, despite concerns about the use of headphones.

Beliefs about Physical Activity among Children Who Are Visually Impaired and Their Parents.

Abstract: This survey of 25 visually impaired children aged 10-12 and their parents investigated the value the parents placed on their children's physical activity and the barriers to physical activity that the children faced. The results revealed that as vision loss increased, parents' expectations for their children's ability to be physically active decreased, as did the children's views that physical activity is important or useful.

Sensitivity and Specificity of the Montreal Cognitive Assessment Modified for Individuals Who Are Visually Impaired

Abstract: Evaluating the cognitive status of individuals who are visually im- paired is limited by the design of the test that is used. This article presents data on the sensitivity and specificity of the version of the Montreal Cognitive Assessment for people who are visually impaired. The original validation data were reanalyzed, excluding the five visual items. The results indicated that the specificity was excellent, while sensitivity was reduced; however, the recom- mended proportionally adjusted cutoff values showed better sensitivity.

Implementation of Assistive Technology with Students who are Visually Impaired: Teachers’ Readiness:

Abstract: Teachers of students of visual impairments in Kentucky were surveyed to identify the current assistive technologies their students were using and to identify the teachers’ possible unmet training n...