The phrase "additional researcher" is correct and usable in written English.
It can be used when referring to someone who is contributing to a project or study alongside other researchers.
Example: "We are looking for an additional researcher to help with the data analysis for our ongoing project."
Alternatives: "extra researcher" or "supplementary researcher".
In one or two observations, we will include an additional researcher from the research team to validate the observation summaries.
We're also looking for an additional researcher to help prepare The Daily 202 and assist with these new offerings.
But only in the past few months, having recruited one of the country's top investigative journalists as its editor and an additional researcher, have its reports started to grab the attention of South Africa's media and politicians.
To ensure dependability of the data, an additional researcher (K.B).
One additional researcher (RG) was called in to manage disagreement by group discussion.
An additional researcher was present to provide (logistic) support and to note non-verbal communication.
The majority of the interviews were conducted by 2 experienced researchers in hospital pharmacy and clinical nursing with qualitative research expertise (E.C., R.E .. Four additional researchers were recruited to the study (O.B., J.D., L.D., S.F). and helped conduct the interviews.
In a world where China aims to produce hundreds of thousands of additional researchers by 2020, we are cutting spending on science and abandoning world-leading research.
The need for additional researchers is particularly acute in the integration of the environmental health sciences with research in human disease.
The funds also will be used to expand the lab with additional researchers.
Additional researchers include: James Weaver, William Patrick, Steven Keating, Sunanda Sharma, Markus Kayser, John Klein, Chikara Inamura, Prof. Neri Oxman.
