RESEARCH METHODOLOGY

METHODS OF RESEARCH

SURVEY RESEARCH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The difference between a trend study and a cohort study is that a cohort study obtains data from:
A
the same sample at different points in time
B
different samples from the same specific population
C
different samples from a population whose members change somewhat
D
an entire population at different points in time
Explanation: 

Detailed explanation-1: -Whereas a trend study samples a population whose members may change over time, a cohort study samples a particular population whose members do not change over the course of the survey.

Detailed explanation-2: -The first type of longitudinal survey is called a trend survey. Researchers conducting trend surveys are interested in how people’s inclinations change over time, i.e., trends. The Gallup opinion polls are an excellent example of trend surveys.

Detailed explanation-3: -Survey research has historically included large population-based data collection. The primary purpose of this type of survey research was to obtain information describing characteristics of a large sample of individuals of interest relatively quickly.

Detailed explanation-4: -The first type of longitudinal survey is called a trend surveyA type of longitudinal survey where a researcher examines changes in trends over time; the same people do not necessarily participate in the survey more than once.. The main focus of a trend survey is, perhaps not surprisingly, trends.

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