Exam 5: Information Gathering: Unobtrusive Methods

Stratification is the process of identifying subpopulations (or strata) and then selecting objects or people for sampling within these subpopulations.

What provides periodic updates of what is occurring in the business?

Which is not a way to proceed when creating a catalog of forms to help you understand the information flow currently in use in business?

If an office contains trade journals and newspaper clippings about other companies, the decision maker is likely to be interested in internal information.

The systems analyst can gain an understanding of the credibility exhibited by managers in the organization by observing their clothing.

________ is the process of systematically selecting representative elements of a population.

When the systems analyst selects a group of documents or people to study, it is an example of ________ sampling.

Company A has 500 employees. Company B has 800 employees. Would the analyst working with company B need to interview more employees than the analyst working with Company A? Why or why not?

A good rule of thumb is to interview:

When the systems analyst asks an opinion of a permanent feature of the installed information system, the executive interviewed may provide an unbiased evaluation since there is little possibility of changing it.

As a systems analyst works to understand users, their organization, and its information requirements, it becomes important to examine different types of hard data that offer information unavailable through any other method of data gathering.

The simplest method of probability sampling is called ________ sampling.

________ provide periodic updates of what is occurring in the business.

Executives in warmly lit offices tend to gather information more informally than other executives do.

What effect on sample size does using a greater confidence level have when sampling attribute data?

Which is not a quality of a convenience sample?

A systems analyst can use one of four main types of samples: convenience, purposive, simple random, and complex random.

The overriding variable that determines how many people the systems analyst should interview in depth is:

Playscript is an organized and systematic approach that demands that the analyst understand and articulate the action taken by the decision maker.

Which is not an approach for complex random samples?