The phrase "alternative reason why" is correct and usable in written English.
It can be used when presenting a different explanation or justification for a situation or action.
Example: "There is an alternative reason why the project was delayed, which involves unforeseen technical challenges."
Alternatives: "another explanation for" or "different rationale for".
Mulligan said Hasan appeared to be taking on a "tried and true" defense strategy of not contesting the facts but rather offering an alternative reason about why they occurred.
An alternative reason for why a higher proportion of BG is needed at 10% pretreatment loading compared to 2% might be a result of the higher Glc yields seen at the higher loading.
The obvious alternative Suggest another reason why something happened.
This lack of alternatives is the reason why Showtime poached him from rival American network HBO, the six-fight deal costing a reported £127m.
This is the reason why alternative nonparametric adaptive inference has recently been developed in such models.
As mentioned above, convenience sampling – based on quotas or other criteria – was not an option for the survey, and this is the reason why alternative probabilistic sampling methods had to be employed.
This is the reason why alternative food chains may play a key role to the survival of agricultural operations in these contexts, especially thanks to their ability to put farms in touch with the demand of consumers living in the urban areas located in the valley, thus safeguarding their survival.
This is the reason why alternative approaches for the determination of the significance threshold are needed.
That is the reason why alternative energy sources and simplifications of ablation sets have been progressively developed, including irrigated RF.
Finally, positioning the cursors at the vessel borders is known to be difficult and has been the main reason why alternative techniques have been suggested [ 10, 11].
