The phrase "also assumed that when" is correct and usable in written English.
It can be used when discussing a hypothesis or belief that is contingent upon a specific condition or situation.
Example: "The researchers also assumed that when the temperature increased, the reaction rate would also rise."
Alternatives: "also believed that when" or "also considered that when".
I also assumed that, when the impact of the sequester started to be felt, the White House and the Republicans would agree on a less damaging alternative.
We also assumed that when the super-infection occurs there is an extra HBV inoculum at that moment.
We also assumed that when a primary school aged child (age 5-12) was isolated in a household, one adult from the household stayed at home.
We also assumed that when the polymerase bound singleton acquired a lateral neighbor it became straight (Rice et al., 2008; Buey et al., 2006), and that this straightening was linked to TOG disengagement (Ayaz et al., 2012).
We also assume that when wage cuts are implemented, no transaction costs such as those for negotiation are incurred.
We also assume that when a coalition government forms, a lottery (between the policies proposed by the candidates in the coalition) yields the final implemented policy.
Similarly, also assume that when node is positioned at and has coordinates, the best case for the coverage of the segment is achieved where and.
Also assume that when the wage rate at which the firm employs labour is w, L amount of labour will be employed.
We also assume that when they are sick, "avoiders" avoid transmitting the pathogen to other individuals and are thus φ times less infectious than "normal" individuals.
In calculating the optimal parameter values, we also assumed that mutational prevalence was 0 when microsatellite length was 1.
We also assumed that, for a given agent, when an outbreak was associated with a complex food, the likelihood that any commodity was the source was proportional to the frequency of illnesses for outbreaks associated with simple foods associated with that commodity.
