Research on solving mathematical word problems suggests that students may perform better on problems with a close to real-life representation of the problem situation than on word problems. In this study we pursued real-life representation by a mainly depictive representation of the problem situation, mostly by photographs. The prediction that students perform better on problems with a depictive representation of the problem situation than on comparable word problems was tested in a randomised controlled trial with 31,842 students, aged 10–20 years, from primary and secondary education. The conclusion was that students scored significantly higher on problems with a depictive representation of the problem situation, but with a very small effect size of Cohen’s d = 0.09. The results of this research are likely to be relevant for evaluations of mathematics education where word problems are used to evaluate the mathematical capacity of students.
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The aim of this study is to contribute to the body of knowledge on the use of contextual mathematical problems. Word problems are a predominant genre in mathematics classrooms in assessing students’ ability to solve problems from everyday life. Research on word problems, however, reveals a range of difficulties in their use in mathematics education. In our research we took an alternative approach: we designed image-rich numeracy problems as alternatives for word problems. A set of word problems was modified by systematically replacing the descriptive representation of the problem situation by a more depictive representation and an instrument was designed to measure the effect of this modification on students’ performance. The instrument can measure the effect of this alternative approach in a randomized controlled trial. In order to use the instrument at scale, we made this instrument also usable as a diagnostic test for an upcoming nationwide examination on numeracy. In this article we explain and discuss the design of the instrument and the validation of its intended uses.
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Currently, 4% of older adults reside in long-term care facilities in the Netherlands. Nursing home residents tend to have multimorbidity that is associated with considerable disabilities and a high level of care dependency. In the Dutch adult population the highest estimated prevalence (>40%) of visual impairment (low vision and blindness) was found in the subgroup of residents in nursing homes (NHs). The aim of this study is to describe the current practice of eye care by Dutch nursing home physicians (NHPs). A digital online survey was developed to describe the eye care activities of nursing home physicians and their cooperation in this perspective with other professionals. Of 1573 NHPs present in the Netherlands, 125 (8%) responded. Results show that more than 50% of the NHPs regularly examine ‘distant vision’, ‘near vision’ and ‘the visual field’ . However, 23%, 33% and 45% almost never or never examine the ‘visual field’, ‘near vision’ and ‘distant vision’, respectively. Data regarding eye care, regularly recorded in the client files by more than 50% of the NHPs, are medical data involving ‘use of eye medication’, ‘eye disease’, and ‘eye surgery in the past’. Less commonly recorded is ‘the use of reading glasses’ as well as ‘eye pain’. Inside of the NH, (head) nurses and ward nurses (chi 2 = 309, df = 5, p = 0.000), and outside of the NH, ophthalmologists and low vision specialists are most frequently contacted about eye related issues (chi 2 = 224, df = 4, p = 0.000). Opticians are rarely contacted, and optometrists and orthoptists are ‘never’ contacted by more than 50% of the NHPs. Moreover, 50% of the NHPs noted that collaboration with external eye care professionals is ‘not structural’. This study shows that, according to NHPs, relevant visual aspects are not structurally examined and recorded in the client files. Outside of the NH, NHPs tend to have a less frequent collaborative relationship with optometrists, orthoptists and opticians compared to ophthalmologists and low vision specialists. The NHP’s role in providing eye care can be improved by development of guidelines for structural eye screening, improvement of recording in client files, and exploring plus undertaking collaboration with other eye care professionals.
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Background Clients facing decision-making for long-term care are in need of support and accessible information. Construction of preferences, including context and calculations, for clients in long-term care is challenging because of the variability in supply and demand. This study considers clients in four different sectors of long-term care: the nursing and care of the elderly, mental health care, care of people with disabilities, and social care. The aim is to understand the construction of preferences in real-life situations. Method Client choices were investigated by qualitative descriptive research. Data were collected from 16 in-depth interviews and 79 client records. Interviews were conducted with clients and relatives or informal caregivers from different care sectors. The original client records were explored, containing texts, letters, and comments of clients and caregivers. All data were analyzed using thematic analysis. Results Four cases showed how preferences were constructed during the decision-making process. Clients discussed a wide range of challenging aspects that have an impact on the construction of preferences, e.g. previous experiences, current treatment or family situation. This study describes two main characteristics of the construction of preferences: context and calculation. Conclusion Clients face diverse challenges during the decision-making process on long-term care and their construction of preferences is variable. A well-designed tool to support the elicitation of preferences seems beneficial.
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De meest gebruikte opbouw in business intelligence, predictive analitics en analytics modellen is de moeilijkheidsgraad: 1) descriptive, 2) diagnostic, 3) predictive en 4) prescriptive. Deze schaal vertelt iets over de volwassenheid van het gebruik van data door de organisatie. Een model dat niet op zichzelf staat en een achterliggende methode kent is de data driehoek van EDM (Figuur 1), welke in dit artikel zal worden toegelicht.
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Messages with a clear focus on personal benefits and social and personal norms could impact holidaymakers' preferences towards opting for sustainability actions. This argument was explored using a three stage, sequential, mixed methods study. Firstly, analysis of current sustainability messages from three responsible tour operators revealed a low likelihood of them influencingcustomer preferences towards sustainability actions. An online survey of consumer beliefs and values proved that a manipulated message was more persuasive than the real messages used by the tour operators. This informed an experiment in message design that showed preferences for: i) obtaining individual gains from acting pro-sustainability (the importance of self-benefit), ii) doing what others are doing (the appeal of conforming to the descriptive norm), and iii) doing what others think one should do (the appeal of conforming to the injunctive norm). The findings have led the ANVR to relaunch their sustainability programme, focusing on customer benefits.
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In this paper the first phase of a descriptive research project on musical preferences and music listening habits of first year’s conservatoire students is presented. The paper presents the background of the research project, the construction of a survey and the first results of this survey, which indicate that musical preferences and music listening habits of first year’s conservatoire students are highly varied. Possible refinements for the survey are discussed.The paper ends with first notions on how to not only use the findings for descriptive ends but also put them in the broader perspective of more general research on musical preferences.
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