The phrase "a hypothesized reason" is correct and usable in written English.
It can be used when discussing a proposed explanation or rationale for a phenomenon or behavior that is not yet proven.
Example: "The researchers presented a hypothesized reason for the observed changes in behavior among the subjects."
Alternatives: "a proposed explanation" or "a suggested rationale".
The most frequently hypothesized reason is the potential mitogenic effect of insulin (3).
Reasons for a hypothesized lower occurrence include the smaller sample size due to the exclusion of recent admissions and the method of case ascertainment.
Researchers hypothesized the reason might be that the plants don't get enough nitrogen--a crucial building block for proteins--to sustain their spurt.
Although the FEMA study did not hypothesize a reason for this afternoon-evening predominance, the most likely explanation is the higher volume of emergency calls during the latter half of the day.
The lack of a fixed programme has been hypothesized as a reason for its relative neglect when compared to Dvořák's other symphonic works.
It is hypothesized that reasons for variability in susceptibility to obesity-mediated metabolic complications involve both environmental and genetic factors.
Language barriers and cultural differences have been hypothesized as reasons behind the disparate rates.
Furthermore, it is hypothesized that reasons for living and suicide resilience will also negatively predict suicidal behavior in trans adults, above and beyond optimism, perceived social support from friends, and perceived social support from family.
Augustine himself hypothesized that a reason for Lucretia's sense of guilt might have been that she had enjoyed the crime to some extent (a point Britten and his librettist, Ronald Duncan, left open).
They hypothesized that a reason for this may be that the uninsured had poorer access to healthcare services, be this through delay or different types of services being provided.
