The phrase "able to study how" is correct and usable in written English.
It can be used when discussing the capability or opportunity to investigate or learn about a particular subject or process.
Example: "The researchers were able to study how climate change affects migratory patterns in birds."
Alternatives: "capable of examining how" or "able to investigate how".
And, of course, nobody has been able to study how kids fare with married gay parents.
"We'll be able to study how the engine is responding throughout the race and make adjustments based on science.
They were able to study how the ice sheets changed by comparing the data with measurements made by Nasa's IceSat mission.
"We'll be able to study how the engine is responding throughout the race and make adjustments based on science," Mr. Yates said.
Scientists using electrodes and existing imaging technologies have been able to study how individual neurons and small networks of neurons respond to stimuli.
With the X-ray laser pulses, scientists will be able to study how densely and how quickly bits of data can be reliably written and read.
Aging researcher Leonard Guarente of the Massachusetts Institute of Technology agrees and says researchers may be able to use E. coli to study "how aging occurs and how it's regulated".
Whatever his project means to say about modern identity, it is absorbing to study how closely he is able to match other people's feelings.
Whatever his project means to say about modern identity, it is absorbing to study how closely he is able to match other people's feelings, which range from carefree happiness to doleful anxiety.
Alone or by the busload, the officials are trekking to New York to study how the city was able to shake its reputation for out-of-control crime and become what the Giuliani administration says is one of the safest large cities in the United States.
Mission: The successor to the Hubble Space Telescope, JWST will be able to see even further back in time to study how the first galaxies formed.
