In contrast to surveys, a wide variety of information about behavior of people and objects can be observed. Seven kinds of observational phenomena are physical actions, verbal behavior, expressive behavior, spatial relations and locations, temporal patterns, physical objects and verbal and pictorial records.
The observation method may be used to describe a wide variety of behavior, but cognitive phenomena such as attitudes, motivations and preferences cannot be observed. Thus, observation research cannot provide an explanation of why a behavior occurred or what actions were intended. Another disadvantage is that the observation period generally is of short duration. Behavior patterns that occur over a period of several days or weeks are too costly or impossible to observe.
An example of observation studies is physical action in a shoppers movement pattern in a store.
It consumes time and it's also expensive.
Emile Durkheim
Surveys make it easy to collect data from a number of sources.
Some major advantages of using self-report surveys to collect information regarding juvenile crimes include information gained on the patterns of crime. Information about delinquency and the distribution of crime is also learned.
A general web search will list numerous sites for you to partake in free online surveys. A number of sites will even pay you to partake in their surveys. A number of surveys do have qualifications to meet if you are wishing to be paid for your efforts, as they are in regards to services or products one may be using. Nonetheless, if you are just looking to provide your opinion, that is completely possible, and an account would not be needed to do so. However, beware, as some survey sites may place spyware or adware on your computer.
The Survey Rocket allows you to create multiple surveys using templates, including email templates. These emails can also be used as survey invitations to Accounts, Contacts, Leads, and Users.
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Emile Durkheim
To provide an accurate map, the cartographer conducted several surveys of the land.
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no disadvantages
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I like graphs, no disadvantages.
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Symbolic-interaction approach