Non-probability Sampling

Vehovar, Vasja; Toepoel, Vera; Steinmetz, Stephanie

doi:10.4135/9781473957893.n22

Cited by 189 publications

(125 citation statements)

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“…An online questionnaire was designed using the Qualtrics XM software for a deliberate nonprobability sampling [ 9 ] of the population of HCWs. This method was selected because the COVID-19 crisis requires social distancing, preventing face-to-face interviews.…”

Section: Methodsmentioning

confidence: 99%

A mixed-methods sequential explanatory design comparison between COVID-19 infection control guidelines’ applicability and their protective value as perceived by Israeli healthcare workers, and healthcare executives’ response

Gesser‐Edelsburg

Cohen

Shahbari

et al. 2020

Antimicrob Resist Infect Control

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Background: Healthcare workers (HCWs) are on the front line of the COVID-19 outbreak, and their constant exposure to infected patients and contaminated surfaces puts them at risk of acquiring and transmitting the infection. Therefore, they must employ protective measures. In practice, HCWs in Israel were not fully prepared for this sudden COVID-19 outbreak. This research aimed to identify and compare: (1) Israeli HCWs' perceptions regarding the official COVID-19 guidelines' applicability and their protective value, and (2) HCWs executives' response to HWCs' concern regarding personal protective equipment (PPE) shortage. Methods: A mixed-methods sequential explanatory design consists of: (1) An online survey of 242 HCWs about the application of the guidelines and PPE, and (2) Personal interviews of 15 HCWs executives regarding PPE shortage and the measures they are taking to address it. Results: A significant difference between the perceived applicability and protective value was found for most of the guidelines. Some of the guidelines were perceived as more applicable than protective (hand hygiene, signage at entrance, alcohol rub sanitizers at entrance, and mask for contact with symptomatic patients). Other were perceived as less applicable than protective (prohibited gathering of over 10 people, maintaining a distance of 2 m', and remote services). Conclusions: HCWs need the support of the healthcare authorities not only to provide missing equipment, but also to communicate the risk to them. Conveying the information with full transparency, while addressing the uncertainty element and engaging the HCWs in evaluating the guidelines, are critical for establishing trust.

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Section: Methodsmentioning

confidence: 99%

A mixed-methods sequential explanatory design comparison between COVID-19 infection control guidelines’ applicability and their protective value as perceived by Israeli healthcare workers, and healthcare executives’ response

Gesser‐Edelsburg

Cohen

Shahbari

et al. 2020

Antimicrob Resist Infect Control

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“…It is a quasi-experimental design, not a true randomised controlled trial due to the consideration of subjects’ contamination in the IDP camps. Due to the non-random subjects’ allocation to the groups, it was challenging to know how well the IDPs population were represented, limiting generalisability of this study to other populations with traumatic experiences outside Nigeria [ 87 ]. Second, the lack of balance in the baseline characteristics of the subjects could indicate that unobserved confounders might have affected the level of confidence in the effect of the dance intervention, although the models were adjusted for known unbalanced co-variates observed at baseline.…”

Section: Discussionmentioning

confidence: 99%

Effects of an African Circle Dance Programme on Internally Displaced Persons with Depressive Symptoms: A Quasi-Experimental Study

Salihu

Wong

Kwan

2021

IJERPH

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Background: Internally Displaced Persons (IDPs) are people who have been forced to flee their homes due to disasters. Depressive symptoms, at over 31–67%, are prevalent in IDPs in Africa. Despite the evidence for the benefits of the promotion of dance interventions on psychological health, supporting information is needed to outline the benefits of an African Circle Dance (ACD) intervention for IDPs in Africa. Methods: A quasi-experimental design (pre-/post-test) was employed. Two IDP camps were randomized into the intervention group (psychoeducation and ACD intervention) and the control group (psychoeducation). Adults aged ≥18 years, living in an IDP camp, able to perform brisk walking, and who scored ≥10 on a depressive symptoms subscale were recruited. The intervention group received an 8-week ACD dance intervention and two 1-h psychoeducation sessions on stress management; the controls only received the psychoeducation sessions. Outcomes were depressive symptoms, stress, and anxiety. Data were collected at baseline (T0), immediately after the intervention at week 8 (T1), and at week 12 (T2) at the post-intervention and follow-up session. A generalized estimating equation was used to test the effects of the ACD intervention, with a 0.05 significance level. Results: 198 IDPs completed the study (ncontrol = 98; nintervention = 100). The intervention group reported significantly greater improvements in depressive symptoms (v = 0.33, p < 0.001) and stress (v = 0.15, 0.008) than did the control group. Conclusions: ACD could be a valuable complementary intervention in health promotion but more research is needed.

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“…We took a number of steps to minimize sampling bias: (1) we used 3 different media channels, thus increasing the chances for randomization in this sample [116]; (2) we monitored the data once a week to insure sufficient professional and ethnic representation among the participants. For example, when we discovered that there was an insufficient number of HCWs, we posted on more medical forums.…”

Section: Discussionmentioning

confidence: 99%

“…Our sample was designed using Qualtrics XM online survey software as it provided rapid and efficient distribution of an interactive online questionnaire (see Multimedia Appendix 1) to our research population (HCWs and the general public in Israel). We used the self-selection in Web survey method of nonprobability sampling [116] to recruit participants through posts on social networks asking the general public (over the age of 18 years) to answer the survey.…”

Section: Methodsmentioning

confidence: 99%

Differences in Perceptions of Health Information Between the Public and Health Care Professionals: Nonprobability Sampling Questionnaire Survey

Gesser‐Edelsburg¹,

Shahbari²,

Cohen³

et al. 2019

J Med Internet Res

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Background In the new media age, the public searches for information both online and offline. Many studies have examined how the public reads and understands this information but very few investigate how people assess the quality of journalistic articles as opposed to information generated by health professionals. Objective The aim of this study was to examine how public health care workers (HCWs) and the general public seek, read, and understand health information and to investigate the criteria by which they assess the quality of journalistic articles. Methods A Web-based nonprobability sampling questionnaire survey was distributed to Israeli HCWs and members of the public via 3 social media outlets: Facebook, WhatsApp, and Instagram. A total of 979 respondents participated in the online survey via the Qualtrics XM platform. Results The findings indicate that HCWs find academic articles more reliable than do members of the general public (44.4% and 28.4%, respectively, P <.001). Within each group, we found disparities between the places where people search for information and the sources they consider reliable. HCWs consider academic articles to be the most reliable, yet these are not their main information sources. In addition, HCWs often use social networks to search for information (18.2%, P <.001), despite considering them very unreliable (only 2.2% found them reliable, P <.001). The same paradoxes were found among the general public, where 37.5% ( P <.001) seek information via social networks yet only 8.4% ( P <.001) find them reliable. Out of 6 quality criteria, 4 were important both to HCWs and to the general public. Conclusions In the new media age where information is accessible to all, the quality of articles about health is of critical importance. It is important that the criteria examined in this research become the norm in health writing for all stakeholders who write about health, whether they are professional journalists or citizen journalists writing in the new media.

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Non-probability Sampling

Cited by 189 publications

References 0 publications

A mixed-methods sequential explanatory design comparison between COVID-19 infection control guidelines’ applicability and their protective value as perceived by Israeli healthcare workers, and healthcare executives’ response

A mixed-methods sequential explanatory design comparison between COVID-19 infection control guidelines’ applicability and their protective value as perceived by Israeli healthcare workers, and healthcare executives’ response

Effects of an African Circle Dance Programme on Internally Displaced Persons with Depressive Symptoms: A Quasi-Experimental Study

Differences in Perceptions of Health Information Between the Public and Health Care Professionals: Nonprobability Sampling Questionnaire Survey

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