For 60 years now, GOPA has been a trusted partner in international development, delivering high-impact solutions across sectors and regions. With deep technical expertise, a strong in-country presence, and a commitment to collaboration, we…
Respondents select the type of psychological studies that they want to participate in consistence with their needs and individual characteristics, which creates an unintentional self-selection bias.
To provide a high quality, safe, convenient and efficient air travel service that consistently meets our customers’ needs in a way that ensures our profitability and long term success.