The phrase "also conducted studies" is correct and usable in written English.
You can use it when referring to additional research or investigations that were carried out alongside other activities or studies.
Example: "In addition to the experiments, the researchers also conducted studies to gather more comprehensive data on the subject."
Alternatives: "further carried out research" or "additionally performed analyses".
Several scholars have also conducted studies on the computer-assisted learning environment (e.g., Azevedo 2005).
Some researchers have also conducted studies on location avoidance to reduce the risk of wrong decisions (Schotter & Beamish 2013).
A number of research groups have also conducted studies to solve the problem of organ deformation associated with needle insertion [11].
We also conducted studies on the mechanical response of free standing and water submerged capped SWCNTs filled with water molecules under axial shear loading.
Since then, Liu et al. ([1990]) and Liu ([1992]) respectively studied the biomass and productivity of Larix gmelini and Larix principis-rupprechtii plantations, while Liu ([1993]), Fang et al. ([1996]), Luo ([1996]) and Tian et al. ([1998]) also conducted studies on biomass and productivity of Chinese fir, Masson pine and other major forest types.
More recent techniques for accelerated orthodontics like micro-osteoperforations have also conducted studies at cellular level that led to increase in GCF levels of cytokines ( IL-1α, IL-1β, IL-6, TNF-α) and chemokines at 24 h, giving evidence of underlying inflammatory process associated with inducing perforations in cortical bone [53].
Post-irradiation monitoring was also conducted, studying 50%, 10% and 1% dilution rates, and the results were attributed to the two parameters of dilution medium and dilution ratio.
A few more clicks revealed that he was also conducting studies at his private practice, Clinical Psychopharmacology Consultants.
PORL is also conducting studies on land-based inputs into the coastal zone.
Also conducting studies or consultations of external experts (e.g., interview of stakeholders) allows defining the input parameters.
In 2003, FoodNet will also conduct studies of the consequences of and risk factors for illness caused by S. Enteritidis, S. Newport, and illness in infants caused by Campylobacter and Salmonella.
