Although these facts, the entropy- based sampling select informative samples.
In general, attention sampling based on activeness (biased towards active users) and MHRW based sampling (stratified sampling) appears to be less effective, especially in normal time where collective attention scatters over diverse topics.
Such alternative sampling methods, are – among others – random digit dialling (telephone numbers), random routes or random walk, time location sampling, capture-recapture, GPS based sampling (within a specific place), and respondent driven sampling or snowball sampling (based on networks) (for a detailed overview see Reichel & Morales, 2017).
NIS sampling is based on sampling techniques validated to represent hospitals across the country.
In hospital-based samples, girls predominate whereas community based samples show few gender differences.
The two new Democratic polls both used "registration based samples" -- samples drawn from official lists of registered voters -- and used the past turnout and partisanship data available on those lists to model the likely electorate.
The sample was a community based sample of 707 participants (see Ferguson, 2009a).
Many previous studies have categorized menopausal symptoms of non-menopause clinic samples and population based samples, and identified subgroups of women in the menopausal transition on the basis of their responses to symptom checklists.
Children with intellectual disabilities, brain damage and consequent neuropsychiatric morbidities, and epilepsy which are more common in LAMIC like India are more likely to be represented in the community sample than the school based sample [ 88].
The current study uses a one-one matched two group design with a clinical sample and a community based sample to examine the discriminant validity of the M&MS questionnaire.
Distinguishing a fully protected sample from partially protected sample based on EIS was troublesome.
