Examlex
Suppose you have a collection of checkboxes named skills. To access an individual checkbox within the collection, you can use skills[i]. The i is referred to as a(n) ______ variable.
Cross-sectional
An observational study method that examines data collected from a population or a selected representative sample at one particular moment.
Prevalence Of Smoking
The proportion of a population that smokes, measured at a specific point in time.
Anonymous Survey
A survey in which the identities of the respondents are not known to the researchers, ensuring privacy and encouraging honest answers.
Case-control Study
An observational study design in which two groups differing in outcome are identified and compared on the basis of some supposed causal attribute.
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