"observational perspective" is correct and can be used in written English.
You could use it to describe a point of view that was gained through the process of observation. For example, "From an observational perspective, it appeared that the pilot had gotten lost during the flight."
They tend to use their numerical knowledge to augment their observational perspective.
The half-spoken sass in the post-chorus is the latest example of a budding female star attempting to copy Ke$ha's famous delivery style, but it seems exceedingly pointless given the song's bizarre third-party, observational perspective.
This study documents from an observational perspective the structure of precipitation systems over the complex topography of Taiwan as Typhoon Morakot (2009) impinged on the island on 8 August 2009.
But Barnard b has a few things going for it that these other worlds don't from an observational perspective.
Prof. Rosemary Wyse is one of the leaders of the RAVE survey and a world expert in Galactic archeology, conducting studies of the structure of our own Galaxy from both theoretical and observational perspective.
From an observational perspective, certain environmental changes could have been interpreted and enacted differently, as illustrated by a comment on the social pressures in rural areas: The neighbors will also attend the ceremony.
In this talk I will discuss several insights in the (chemical) evolution of the dwarf galaxies around the Milky Way from both modeling and observational perspectives.
So, this study provides an observational view of travel behavior from the social network context perspective.
Additionally, there is a need for more research on the distractor performance in multiple-choice tests from different perspectives, including observational and item analytic perspectives [ 8].
We review how dark matter is distributed in our local neighbourhood from an observational and theoretical perspective.
From the Humean epistemic perspective, observational, dispositional, and theoretical predicates are successively more and more problematical in relation to their accessibility via experience.
