Basic psychological need satisfaction, need frustration, and need strength across four cultures
Beiwen Chen, Maarten Vansteenkiste, Wim Beyers, Liesbet Boone, Edward L. Deci, Jolene van der Kaap–Deeder, Bart Duriez, Willy Lens, Lennia Matos, Athanasios Mouratidis, Richard M. Ryan, Kennon M. Sheldon, Bart Soenens, Stijn Van Petegem, Joke Verstuyf (2014). Basic psychological need satisfaction, need frustration, and need strength across four cultures. Motivation and Emotion, 39(2), pp. 216-236, DOI: 10.1007/s11031-014-9450-1.
