The document discusses two types of educational research: descriptive research and survey research. Descriptive research aims to describe characteristics of a population or phenomenon and focuses on "what" rather than "why". Survey research involves collecting data through surveys or questionnaires. Key points covered include characteristics and methods of descriptive research such as observational studies and case studies; examples of descriptive research topics; advantages and disadvantages. Survey research types like cross-sectional and longitudinal surveys are defined, as are their purposes, uses and steps in conducting survey research.