“…Some researchers supported the validity of the model (Bajpai & Sharma, 2015;Bjuggren & Eklund, 2015;Lee, Cheng, & Chong, 2016;Novak, 2015) while others concluded that the model is invalid in estimating the expected rate of return on the financial asset (Alqisie & Alqurran, 2016;Alrgaibat, 2015;Chaudhary, 2017;Wu et al, 2017). In Jordan, however, many researchers concluded that the single-factor model is invalid (Blitz, Pang, & Van Vliet, 2013;Alqisie & Alqurran, 2016;Alrgaibat, 2015).…”