1. Marketing research is the systematic gathering and analysis of data to provide information for marketing decisions. It is more complex for international markets due to cultural differences. 2. The marketing research process involves defining the problem, developing a research plan, collecting data through primary or secondary sources, analyzing the data, and presenting findings. 3. Gathering accurate and relevant data from foreign markets can be challenging due to issues with data availability, reliability, comparability, and validating secondary sources. Primary data collection has issues with communication, sampling, and language.