highly significantp ‐value = .000
For the branch models (Table 2 ), the H 1 hypothesis (H 0 as null) was found to be highly significant (H 0 –H 1 , df = 1, χ 2 p ‐value = .000), while the H 2 model (H 0 as null) was not supported (H 0 –H 2 , df = 1, χ 2 p ‐value = .142).