Therefore, the questionnaire was completed with no missing data. Data obtained from these participants are referred to as ‘web-based survey’ data. Description of TFEQ-R21 ...

The analysis shows that questionnaire design choices can either help or hurt the quality of data collected by interviewers. Furthermore, the behaviors of experienced and inexperienced interviewers are ...

Outliers in questionnaire data are unusual observations, which may bias statistical results, and outlier statistics may be used to detect such outliers. The authors investigated the effect outliers ...

Questionnaires are widely used for data collection in health research and evaluation. Their design, use and analysis are key to accurate, comprehensive and complete data. This course is an ...

Questionnaires are widely used for data collection in health research and evaluation. Their design, use and analysis are key to accurate, comprehensive and complete data. This course is an ...

Researchers analyzed data from 955 patients with severe valvular heart disease to validate the psychometric properties of the Kansas City Cardiomyopathy Questionnaire (KCCQ).

Data Analysis versus Data Visualization Data analysis is an exploratory process that often starts with specific questions. It requires curiosity, the desire to find answers and a good level of ...

This paper is on Data utilization, IoT, Big data, AI, Questionnaire survey, and Industry comparison. In order to make public as quickly as possible the results of theoretical research and policy ...