TIMECODES 0:00 Intro & objectives 0:47 Motivation 2:50 Taylorҳ scientific management (SL and HL) 6:44 Maslowҳ hierarchy of needs (SL and HL) 9:40 Herzbergҳ two-factor theory (SL and HL) 15:22 McClellandҳ acquired needs theory (HL only) 18:38 Deci & Ryanҳ self-determination theory (HL only) 21:32 Adams & Vroomҳ equity and expectancy theory (HL only) 26:20 [ŝ