"confirm this idea" is correct and usable in written English.
You can use it when you want to agree with or support someone else's suggestion or interpretation. For example, "I think this data supports the hypothesis. Can someone else confirm this idea?".
"However, we need more data to confirm this idea". The researchers also are learning about how the planet and the star can affect one another.
The results of our empirical analysis confirm this idea by showing how a change of context makes people more receptive to a proposed measure.
If Mr. Marsalis and the orchestra have framed the quest in absolute terms, the jazz-for-dancers idea seems prophetic; it's up to audiences, preferably young ones, to confirm this idea with their feet.
The researchers found no signs of an epidemic or disease, leading them to suggest that changing climates in southern Africa could be to blame — but they stress that more research is needed to confirm this idea.
To confirm this idea, we designed a sample circuit for discrete dynamical operation and confirmed by computer simulation that the circuit successfully generated a sequence of discrete-time outputs by following a return map.
The choice made by at least one group of scientifically able women appears to confirm this idea.
In 1994 researchers thought they had confirmed this idea by using the radio transmitter on Clementine as a makeshift radar.
There are two other tracks, both confirming this idea of him as terminally cheerless but neither quite matches Never Told You's immaculate solipsism.
Our analysis of seed quality confirms this idea, as empty and non-viable seeds reduce significantly the potential of reproduction, and it was noticeable in N. betuloides and mixed forests.
Massey's team confirmed this idea by spending many weeks of observing time on the biggest telescopes in space and on the ground, including the Hubble Space Telescope and the Japanese 8.3-meter Subaru telescope on Mauna Kea, Hawaii.
