The phrase "and conducted a second" is correct and usable in written English.
It can be used when referring to the act of performing a second instance of an action, often in a research or experimental context.
Example: "The researchers analyzed the data from the first trial and conducted a second to verify their findings."
Alternatives: "and carried out a second" or "and performed a second".
Pew surveyed Pakistan as part of its Global Attitudes Project in April, and conducted a second poll following the May 2 raid on Bin Laden's compound in the city of Abbottabad, 70 miles northeast of the capital, Islamabad.
After the initial transcription and preliminary first round of interview coding, we randomized the order of the interviews and conducted a second round of coding to help ensure interviews had sufficient coding coverage.
Following the pilot test, the research team revised the interview guide and conducted a second pilot test among 5 different youth.
In order to have markers in high LD with the described functional polymorphism(s) in the VRN-H and VRS1 loci, we developed genotype assays based on our re-sequencing data and conducted a second round of AM.
In order to increase the response rate, the study coordinators were informed of their individual site response rate and conducted a second distribution of the survey at the following staff meeting in which they emphasized the importance of having the HCPs views of the program.
In the longitudinal study we recruited women from the visiting center (N = 117), conducted face-to-face surveys with them during their partner's incarceration, and conducted a second survey 30 days after his release from custody (N = 99, 85% follow-up rate).
In contrast to the "esep" fields, where any unburned biomass is left to rot, "afub owondo" fields are cleaned if the first burn is incomplete: women remove all partially burned material and weed debris, pile it around trunks of undesired large trees and conduct a second burn (Carrière 2003).
In response, the North vowed to expand its nuclear program "both quantitatively and qualitatively" and conduct a third nuclear test at a "higher level".
North Korea did not clarify what those measures might be, but it referred to a series of earlier statements in which Mr. Kim's government has threatened to launch more long-range rockets and conduct a third nuclear test to build an ability to "target" the United States.
After the United Nations Security Council voted on Jan . 22to tighten sanctions against North Korea as punishment for its most recent rocket launching, on Dec. 12, the North vowed to expand its nuclear program "both quantitatively and qualitatively" and conduct a third nuclear test at a "higher level".
All of these data were used to design and conduct a first-in-man clinical trial.
