What is a Likert Scale vs. a Likert Item. A âLikert scaleâ is the sum of responses to several Likert items. These items are usually displayed with a visual aid, such as a series of radio buttons or a horizontal bar representing a simple scale. A âLikert itemâ is a statement that the respondent is asked to evaluate in a survey. In the example below, the statement, âThe checkout process was easyâ is a Likert item.
Flight controllers are personnel who aid space flight by working in such Mission Control Centers as NASA's Mission Control Center or ESA's European Space Operations Centre. Flight controllers work at computer consoles and use telemetry to monitor various technical aspects of a space mission in real time.
Some air traffic controllers work at the Air Traffic Control Systems Command Center. These controllers monitor traffic patterns within the entire national airspace that could create bottlenecks in the system. When they find a bottleneck, they provide instructions to other controllers that help to prevent traffic jams.ir traffic controllersâ primary concern is safety, but they also must direct aircraft efficiently to minimize delays. They manage the flow of aircraft into and out of the airport airspace, guide pilots during takeoff and landing, and monitor aircraft, as they travel through the skies.