The phrase "dictated by whether" is correct and can be used in written English.
It is typically used to introduce a dependent clause that explains the reason or condition for something in the main clause. Example: The success of the event will be dictated by whether we can secure enough sponsors.
He describes his sports-crazed childhood in South Africa and his unsettling perception that the mood at home was dictated by whether or not he was scoring lots of runs in schoolboy cricket.
The size of the drop will be dictated by whether the market's current queasiness is a temporary reaction to the end of the $8,000 tax credit or a more permanent malaise.
As with all low-energy retrofits, there are site-specific issues for ground floor flats, and an important issue is whether the floor is solid or suspended timber and the degree of work being planned – often dictated by whether you'll be living there whilst the work is being done.
This could adopt a layout similar to that in Fig. 3 but instead, the presence of elements, topics, contexts and profiles, would be dictated by whether they could be expected to be present.
HGUS prognosis is dictated by whether or not the cancer has invaded the arteries and veins.
You would never know if Shea had two goals or was shut out — his mood is dictated by whether we won or lost.
Voters may be more resistant if harsh measures are seen as being dictated by foreigners, whether from the EU or the IMF.The people aren't revoltingLord Salisbury, a British prime minister, and other 19th-century conservatives feared that democracy would lead to the overthrow of private property rights.
Participants' accounts indicated that rather than trying to assess the safety of entering a vehicle of a prospective client and negotiating the terms of the transaction, the initial interaction with a client is dictated by determining whether the sex worker is an undercover police officer.
Given the differential expression of cAMP in resolving versus nonresolving macrophages, we examined whether macrophage phenotype is dictated by cAMP and whether this phenotype could be altered by changing intracellular levels of this potent intracellular second messenger.
I see a pendulum dictated by electoral cycles, whether it's President Obama looking to the 2012 elections, or our government looking toward state elections.
Daily Camera that the question comes down to "whether the strap is ornamental or whether its design is dictated by function: if the latter is true, the U.S. design patent may be invalid".
