"first hand observation" is a correct and usable phrase in written English.
You can use it when you referring to something that you have personally seen or experienced. For example: "I made a first hand observation of the massive crowd that had gathered to watch the parade."
Our students use this to record what they see as first hand observation is a valid form of data collection.
Thus based on the consumer's needs and expectations, application area and serviceability criteria, either of the two models can be successfully implemented in the textile industry for prediction of thermo-physiological properties to have first hand observation before the commencement of actual fabric production and evaluation.
Wearables are anything but sensible, from first hand observation they are somewhat silly, as they are trying to solve a problem that can be solved by a myriad of simpler and more passive mechanism.
ThIn padditionsento only a select few available first hand accounts of the Great Auroral Event of 1859 in an attempublishede the modern reader a scientificow this spectacular display was received by the public fromeasurementss arounewspapersbe and preship some other important historicalogspects of the storm.
"Our understanding of these resettlements is that they were legal, voluntary and peaceful and our first hand observations of them confirmed this," the company said in a response to the Oxfam report.
Furthermore, patients in this study reported first hand observations of the effect of unhealthy practices such as a salty diet and sedentary lifestyle on their blood pressure readings.
The information sources used by Joseph (1992) were mainly interviews with fishermen and export agencies, data from customs and export agencies and some first hand observations of the fishery.
It is one of the ironies of the history of science that Aristotle's writings, which in many cases were based on first-hand observation, were used to impede observational science.
He speaks the powerful language of anecdote and first-hand observation.
Klein herself observed at the outset that this is "not a book of predictions, but of first-hand observation".
As first-hand observation of the first of the war crimes trials from the Pacific War, this is fascinating material.
