"varied whether" is not a correct phrase in written English.
Instead, you can say "varied depending on" or "varied according to". Example Sentence: The success of the experiment varied depending on the conditions of the experiment.
But this time, in addition to varying the race of the inquirers, we varied whether they made clear their intention to stay at the hotel.
We varied whether she was wearing a hands-free Bluetooth or a pair of headphones for music.
We presented dogs with an experimental situation in which a human demonstrator was either attending to them or turned away, and varied whether she presented food or not.
In a series of experiments, we varied whether a person was described as conducting a leisurely lifestyle or working long hours.
Experiments varied whether subjects thought they were being observed and evaluated by others of lower, equal or higher status, and whether decisions involved resources (status relevant) or medical treatments (status irrelevant).
We presented a vignette of a patient with medically unexplained symptoms, and experimentally varied whether the patient was religiously observant.
Experiences didn't vary whether you were religious or not.
The first arm varies whether needing information is correlated with ability; the second varies whether a Seeker's ability is revealed to the paired Advisor, irrespective of the seeking decision.
In a 2×2 design, we vary whether people participate in a team-building exercise and whether some people receive an endowment twice as much as others receive.
We will vary whether the target objects are directly within arm's reach or not, and whether they are within a straight projection of the hand movement or not (due to obstacles).
To study the effect of social factors on the willingness to be subject to monitoring, we vary whether participants make this decision simultaneously with others or sequentially as well as whether the decision is private or public.
