Sampling Twitter users for social science research: Evidence from a systematic review of the literature

All social media platforms can be used to conduct social science research, but Twitter is the most popular as it provides its data via several Application Programming Interfaces, which allows qualitative and quantitative research to be conducted with its members. As Twitter is a huge universe, both in number of users and amount of data, sampling is generally required when using it for research purposes. Researchers only recently began to question whether tweet-level sampling—in which the tweet is the sampling unit—should be replaced by user-level sampling—in which the user is the sampling unit. The major rationale for this shift is that tweet-level sampling does not consider the fact that some core discussants on Twitter are much more active tweeters than other less active users, thus causing a sample biased towards the more active users. The knowledge on how to select representative samples of users in the Twitterverse is still insufficient despite its relevance for reliable and valid research outcomes. This paper contributes to this topic by presenting a systematic quantitative literature review of sampling plans designed and executed in the context of social science research in Twitter, including: (1) the definition of the target populations, (2) the sampling frames used to support sample selection, (3) the sampling methods used to obtain samples of Twitter users, (4) how data is collected from Twitter users, (5) the size of the samples, and (6) how research validity is addressed. This review can be a methodological guide for professionals and academics who want to conduct social science research involving Twitter users and the Twitterverse.info:eu-repo/semantics/publishedVersio

Technology Changes Everything: Inclusive Tech and Jobs for a Diverse Workforce: Pierce Memorial Foundation Report

This document serves as the final report to the Pierce Foundation for funding to support the design and implementation of a 1.5-day Forum entitled “Technology Changes Everything: A Forum on Inclusive Tech and Jobs for a Diverse Workforce” conducted in NYC on October 26-27, 2017 at Baruch College. The conference idea was conceived to address the need to raise awareness across a number of distinct areas where technology is currently impacting employment outcomes for people with disabilities. The topics ranged from one as straightforward as the critical need for attention on equitably integrating individuals with disabilities into the rapidly exploding tech sector workforce, to the much more nuanced and complex application of algorithmic screening and job-matching tools increasingly used in online job applications and selection processes. Other topics focused on were equitable access to entrepreneurship opportunities, inclusive design in technology-based products and services, and the growing targeted focus of technology sector and tech-intensive industries in affirmative recruitment and hiring of individuals with Autism

Options for basing Dietary Reference Intakes (DRIs) on chronic disease endpoints: report from a joint US-/Canadian-sponsored working group.

Dietary Reference Intakes (DRIs) are used in Canada and the United States in planning and assessing diets of apparently healthy individuals and population groups. The approaches used to establish DRIs on the basis of classical nutrient deficiencies and/or toxicities have worked well. However, it has proved to be more challenging to base DRI values on chronic disease endpoints; deviations from the traditional framework were often required, and in some cases, DRI values were not established for intakes that affected chronic disease outcomes despite evidence that supported a relation. The increasing proportions of elderly citizens, the growing prevalence of chronic diseases, and the persistently high prevalence of overweight and obesity, which predispose to chronic disease, highlight the importance of understanding the impact of nutrition on chronic disease prevention and control. A multidisciplinary working group sponsored by the Canadian and US government DRI steering committees met from November 2014 to April 2016 to identify options for addressing key scientific challenges encountered in the use of chronic disease endpoints to establish reference values. The working group focused on 3 key questions: 1) What are the important evidentiary challenges for selecting and using chronic disease endpoints in future DRI reviews, 2) what intake-response models can future DRI committees consider when using chronic disease endpoints, and 3) what are the arguments for and against continuing to include chronic disease endpoints in future DRI reviews? This report outlines the range of options identified by the working group for answering these key questions, as well as the strengths and weaknesses of each option

Participatory methods, guidelines and good practice guidance to be applied throughout the project to enhance problem definition, co-learning, synthesis and dissemination

Research Methods/ Statistical Methods,

Views on alternatives to imprisonment: a citizens jury approach

Abstract Alarming over-representation of Aboriginal and Torres Strait Islander people in Australian prisons, combined with high recidivism rates and poor health and social outcomes among those released from prison, has led many to claim that incarceration is a social policy failure. An important obstacle to a reform agenda in the criminal justice area is public opinion. The public are often perceived to hold punitive attitudes towards offenders, a situation often exploited by politicians to perpetuate punitive penal policies at the expense of developing decarceration initiatives. However, alternatives to public opinion surveys/polls are needed to assess the public’s views, as survey/poll-based methods typically present shallow, unconsidered public opinion and thwart good policy development and reform. Citizens Juries offer an alternative method to assess the public’s views, views that are critically informed and thus better aid policy development. This project aimed to explore, through Citizens Juries, the views of a critically informed public in three states/territories towards how we, as a community, should address offenders in terms of incarceration and incarceration alternatives. The research focused on a range of incarceration alternatives including Justice Reinvestment. The study also aimed to examine the thoughts of senior policymakers on the outcomes of Citizens Juries. This research provides important information and evidence in the offender health area and contributes to the Justice Reinvestment debate among offender health, criminal justice, political and community stakeholders.&nbsp

Right Here Right Now (RHRN) pilot study: testing a method of near-real-time data collection on the social determinants of health

Background: Informing policy and practice with up-to-date evidence on the social determinants of health is an ongoing challenge. One limitation of traditional approaches is the time-lag between identification of a policy or practice need and availability of results. The Right Here Right Now (RHRN) study piloted a near-real-time data-collection process to investigate whether this gap could be bridged. Methods: A website was developed to facilitate the issue of questions, data capture and presentation of findings. Respondents were recruited using two distinct methods – a clustered random probability sample, and a quota sample from street stalls. Weekly four-part questions were issued by email, Short Messaging Service (SMS or text) or post. Quantitative data were descriptively summarised, qualitative data thematically analysed, and a summary report circulated two weeks after each question was issued. The pilot spanned 26 weeks. Results: It proved possible to recruit and retain a panel of respondents providing quantitative and qualitative data on a range of issues. The samples were subject to similar recruitment and response biases as more traditional data-collection approaches. Participants valued the potential to influence change, and stakeholders were enthusiastic about the findings generated, despite reservations about the lack of sample representativeness. Stakeholders acknowledged that decision-making processes are not flexible enough to respond to weekly evidence. Conclusion: RHRN produced a process for collecting near-real-time data for policy-relevant topics, although obtaining and maintaining representative samples was problematic. Adaptations were identified to inform a more sustainable model of near-real-time data collection and dissemination in the future

Random selection of citizens for technological decision making

Random selection provides a way to overcome some of the usual problems of citizen participation in technological decision making. It offers representativeness with a minimum of bias and susceptibility to vested interests. There are a number of requirements for the effectiveness of the random selection approach, such as that citizens are interested and capable of rational deliberation. A number of recent experiments with policy juries and planning cells are assessed to see how well they satisfy the requirements for the effectiveness of the approach. While random selection shows great promise as a means for involving citizens in technological decision making, there are obstacles to promoting the use of this approach for policy purposes, perhaps especially because it so effectively circumscribes the role of political elites

Adoption of "eco-advantage" by SMEs: emerging opportunities and constraints

Purpose: A recent study has asserted that businesses need to adopt “eco-advantage”. This paper aims to explore the viability of small and medium enterprises (SMEs) achieving “eco-advantage” by exploring their understanding of sustainability issues, how they adopt and innovate in terms of sustainability and the benefits and obstacles they face. Design/methodology/approach: The research approach is exploratory, comprised of 15 SME embedded cases based in the UK. The cases are participants in short interventions in sustainable product and process design as a part of a university knowledge transfer project, representing the overall case. Cases are based on interviews with company participants and collaborating academics, supplemented by documentary and observational evidence. Findings: The results build on the work on “eco-advantage” found in a recent study, highlighting marketing, rather than compliance issues as a catalyst for change. The newly aware SME enters a development process which involves cumulative capabilities, gaining a nascent inner confidence, which includes espousing wider sustainable values. Research limitations/implications: The results reveal the scope and challenges for SMEs to adopt more sustainable practices, encompassing innovations and a broad set of capabilities. Further research points to the need to monitor benefits as well as inputs in evaluating sustainability improvements and to consider longitudinal business sustainability issues. Originality/value: The paper informs the emerging debate on sustainability in SMEs, providing a rich source of data to enhance the provision of business support and knowledge transfer activities, where a more holistic and customised approach is required to realise the real environmental and economic benefits accrued from implementing sustainable improvements