The phrase "study hypothesized that" is correct and usable in written English.
It is typically used to introduce a hypothesis that has been formulated based on the results of a study that has already been conducted. For example: "A recent study hypothesized that a Mediterranean-style diet could reduce the risk of developing type 2 diabetes."
This study hypothesized that regulatory focus and presence can effectively enhance user's perceived usability.
The present study hypothesized that high job demands in combination with low job resources contribute to WHI.
This study hypothesized that including these rhizomes regularly in the diet, may be a predisposing factor for CKDu.
The purpose of their wings remains unclear but the study hypothesized that they could be for prey capture, protecting eggs or even mate attraction.
A previous study hypothesized that the room may facilitate the spread of SCALE-UP (Foote et al. 2014).
The current study hypothesized that spatial variability structure of ancient sedimentary processes override the actual variation of soil properties caused by land-use and environmental effects.
Previous study hypothesized that the pathogenesis of CH is associated with the changes of circadian rhythm and neuroendocrine disorders in the hypothalamus [12].
The study hypothesized that adoption decisions by a household on improved maize (HM ha ) and inorganic fertilizer (fert ha ) were interdependent.
This study hypothesized that membership in a social/development group has a positive influence on adoption of fodder production practices by households.
This study hypothesized that participation in fodder production is dependent on number of livestock a household owns and that there is a positive relationship between the two.
To demonstrate differential vulnerability during drought periods, this study hypothesized that observed increases in woody vegetation in grasslands would vary across land-tenure regimes.
