Exam 5: Information Gathering: Unobtrusive Methods

One important function of performance reports is to assess the size of the gap between actual and intended performance.

It is necessary to set a sample size greater than one but less than the size of the population itself.

Qualitative documents include:

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

If a decision maker has trade journals and newspaper clippings about other companies,they tend to work with:

A good rule of thumb is to interview at least five people on every level of the organization.

Which is not an approach for complex random samples?

Text analytics is software that can analyze unstructured qualitative data from any source including transcripts of interviews,written reports,or customers' communication collected through email,wikis,blogs,chat rooms,and other social networking sites.

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

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

Sampling helps accelerate the process by gathering selected data rather than all data for the entire population.

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.

STROBE is short for STRuctured OBservation of the Environment.

Which of these recording techniques has a decision maker who is observed in the left column and all of their actions in the right-hand column?

Examining policies allows the systems analyst to gain an awareness of the values,attitudes,and beliefs that are guiding the corporation.

Stratification is the process of identifying subpopulations,or strata,and then selecting objects or people for sampling in these subpopulations.

There is one single formula to help a systems analyst set the sample size for interviewing.

List three of the four reasons why the systems analyst would want to sample data or select representative people to interview.

Which is the most common information flow in an organization?

List five of the seven concrete elements of the decision maker's physical environment that can be observed by the systems analyst using STROBE.