12. are the three basic designs used in quantitative research. Focus groups, observation, and survey. Metaphor analysis, survey, and observation. Interviews, focus groups, and metaphor analysis. Observation, experimentation, and survey. Survey, interviews and experimentation.

The correct answer is Observation, Experimentation and Survey. These three basic designs are used in quantitative research.

Explanation:

Observational research:This represents the observation of the sample data in their elements. For instance one may elect to observe bank customers while they use the Automated Teller Machine (ATM). Mechanical observation uses a mechanical or electronic device to record customer behavior or responses to a particular marketing stimulus.

Experimentation: Experimental research is commonly used in sciences such as sociology and psychology, physics, chemistry, biology and medicine etc.

This involves is a systematic and scientific approach to research in which the researcher manipulates one or more variables, and controls and measures any change in other variables.

Survey:

There are various survey methods are there they are:

In research of human subjects, a survey is a list of questions aimed at extracting specific data from a particular group of people.

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