Solving Problems with Nature - Naturally. New Hampshire has weasels in abundance. In fact, there are six members of the mustelidae, or weasel family. They include (from smallest to largest): ermine (also known as the short-tailed weasel), long-tailed weasel, pine marten, mink, fisher and river otter.
Descriptive Cross-Sectional Study A descriptive cross-sectional study is a study in which the disease or condition and potentially related factors are measured at a specific point in time for a defined population. Cross-sectional studies can be thought of as a snapshot of the frequency and characteristics of a condition in a population at a particular point in time. This type of data can be used to assess the prevalence of conditions in a population.
In economics, cross-sectional studies typically involve the use of cross-sectional regression, in order to sort out the existence and magnitude of causal effects of one or more independent variables upon a dependent variable of interest at a given point in time.ross-sectional studies may involve special data collection, including questions about the past, but they often rely on data originally collected for other purposes. They are moderately expensive, and are not suitable for the study of rare diseases. Difficulty in recalling past events may also contribute bias.