Donald T. Campbell
Social scientist and methodologist
Social scientist and methodologist
1996
30 years ago — 80 years old
Thinkers & Philosophers
United States
A significant figure in social science, contributed to the fields of sociology and psychology. Developed the concept of 'social validity' and made significant advancements in research methodology. Promoted the understanding of experimental design, emphasizing the importance of context in psychological research. Authored various influential works, including 'Methodology of Research in Psychology'. Served as a professor at multiple institutions, including the University of California, Berkeley, and the University of Chicago.
Developed the concept of social validity
Authored Methodology of Research in Psychology
Advanced research methodology in social sciences
A professional footballer from Kazakhstan played as a defender. Competed in various leagues including the top-tier leagues in Kazakhstan and Germany. Featured prominently in the Kazakhstan national team and represented the country in international tournaments. Played for notable clubs such as FC Tobol and FC Shakhter Karaganda.
Continue ReadingAn actor and singer from Taiwan, gained popularity through roles in television dramas. Rose to prominence with the series 'It Started with a Kiss' and its sequel, showcasing talent in acting and music. Released several singles and albums that contributed to a successful music career, particularly within the Mandopop genre.
Continue ReadingA professional basketball player with a career spanning from 2002 to 2017. Played primarily as a power forward and center. Earned two NBA All-Star selections during tenure with the Utah Jazz. Contributed significantly to the Chicago Bulls' playoff runs, especially in the 2012 season. Played in 841 regular season games, averaging 16.2 points and 9.5 rebounds per game. Participated in international competition, representing the United States in the 2004 Olympics, where the team secured a bronze medal. Retired after a successful career, leaving a legacy within the teams played for.
Continue ReadingAiyenugba played as a goalkeeper and began his career at the Nigerian club, Gateway FC. He later moved to play for the Nigerian national team, earning caps at various levels. He represented Nigeria at the 2003 FIFA U-20 World Cup and participated in the Nigerian Professional Football League, showcasing his skills over a decade. Aiyenugba also had stints in international leagues, playing for clubs in countries such as Israel and Estonia.
Continue ReadingBorn in 1984, this singer gained recognition in the South Korean music scene. Debuted with notable vocal talent, the artist has released multiple albums and singles across various genres. Achieving popularity with hit songs and emotional ballads, the artist has garnered significant acclaim and a loyal fanbase. Participation in various musical competitions further showcased vocal abilities, leading to opportunities for collaborations with other artists. The artist's contributions to the music industry include performances on popular television music shows.
Continue ReadingBorn in 1982, a model gained recognition after winning the title of Miss Europe in 2005. This achievement brought significant visibility, leading to opportunities in fashion and media. Known for captivating editorial shoots and collaborations with renowned designers, the model's work expanded both in Iran and internationally. Career milestones included participation in numerous fashion shows and magazine features, establishing a name within the modeling industry.
Continue Reading