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  2. Vessel safety survey - Wikipedia

    en.wikipedia.org/wiki/Vessel_safety_survey

    The continuous survey hull (CSH) and Continuous survey machinery (CSM) are survey methods for the mooring, anchoring and the propulsion system. The special survey cycle (SS) is an alternative for the CSH [clarification needed] and Engine survey (ES) for the CSM. The annual survey (AS) is an inspection of the safety equipment.

  3. Questionnaire - Wikipedia

    en.wikipedia.org/wiki/Questionnaire

    A questionnaire is a research instrument that consists of a set of questions (or other types of prompts) for the purpose of gathering information from respondents through survey or statistical study. A research questionnaire is typically a mix of close-ended questions and open-ended questions.

  4. Questionnaire construction - Wikipedia

    en.wikipedia.org/wiki/Questionnaire_construction

    What is often referred to as "adequate questionnaire construction" is critical to the success of a survey. Inappropriate questions, incorrect ordering of questions, incorrect scaling, or a bad questionnaire format can make the survey results valueless, as they may not accurately reflect the views and opinions of the participants.

  5. Underwater survey - Wikipedia

    en.wikipedia.org/wiki/Underwater_survey

    Survey ROVs, although smaller than workclass, often have comparable performance with regard to the ability to hold position in currents, and often carry similar tools and equipment - lighting, cameras, sonar, USBL (Ultra-short baseline) beacon, and strobe flasher depending on the payload capability of the vehicle and the needs of the user.

  6. Survey methodology - Wikipedia

    en.wikipedia.org/wiki/Survey_methodology

    Survey methodology is "the study of survey methods". [1] As a field of applied statistics concentrating on human-research surveys, survey methodology studies the sampling of individual units from a population and associated techniques of survey data collection, such as questionnaire construction and methods for improving the number and accuracy of responses to surveys.

  7. Board of Inspection and Survey - Wikipedia

    en.wikipedia.org/wiki/Board_of_Inspection_and_Survey

    On August 5, 1882, Congress enacted legislation which established the Board of Inspection and Survey under statutory authority. Commodore Alexander A. Semmes was the first officer to assume the title as President, Board of Inspection and Survey. INSURV has been operating continuously under this authority since that date.

  8. Survey sampling - Wikipedia

    en.wikipedia.org/wiki/Survey_sampling

    In statistics, survey sampling describes the process of selecting a sample of elements from a target population to conduct a survey. The term "survey" may refer to many different types or techniques of observation. In survey sampling it most often involves a questionnaire used to measure the characteristics and/or attitudes of people.

  9. Sampling frame - Wikipedia

    en.wikipedia.org/wiki/Sampling_frame

    Because a cluster-based frame contains less information about the population, it may place constraints on the sample design, possibly requiring the use of less efficient sampling methods and/or making it harder to interpret the resulting data. Statistical theory tells us about the uncertainties in extrapolating from a sample to the frame.

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