Shinji Inaba, Kazumichi Yamamoto, Tomohiro Kaga, Muhammad Wannous, Masatsugu Sakata, Osamu Yamaguchi, Toshi A Furukawa
Protocol for development of an assessment tool for competency of ECG interpretation: expert consensus by the RAND/UCLA appropriateness method and cross-sectional testing using multidimensional item response theory
BMJ open
study provides comprehensive picture age differences selfesteem age 9 90 years using crosssectional data collected 326641 individuals internet selfesteem levels high childhood dropped adolescence rose gradually throughout adulthood declined sharply old age trajectory generally held across gender socioeconomic status ethnicity nationality us citizens vs nonus citizens overall findings support previous research help clarify inconsistencies literature document new trends require investigation