observational

Modifies a noun

• astronomy: Within a few years of Tycho's death, the telescope had revolutionized observational astronomy.
• drawing: Week 4 Detailed observational drawing of an open egg box.
• equivalence: The logic makes use of purely operational concepts, such as observational equivalence of program fragments.
• cosmology: Incidentally, my oldest daughter is a graduate student working on observational cosmology!
• astrophysics: Survey Astronomy Surveys for astronomical objects over large areas of the sky are the foundation on which much research in observational astrophysics is based.
• study: Past observational studies have noted a tendency for lower cancer rates in people who took aspirin or NSAIDs on a regular basis.

Modifying Another Word

• purely: Even purely observational work may cause some disturbance or increase the risk of predation.
• only: Field studies can also raise ethical concerns, even when these are only observational.
• mainly: Our approach to this area of research at the present time is mainly observational.
• so: Dreams are not physical objects in space, so observational science cannot get a grip on them.
• keenly: His " nu soul " sound combines a thoughtful vocal delivery with soulful musical settings and keenly observational lyrics.
• entirely: Astronomy is rather unusual among the sciences in that it is almost entirely observational rather than experimental.

Preposition: in

nature: However, there are limited opportunities to enhance clinical practice psychomotor skills within the NHS placements, as these are observational in nature.