solved Observation and questionnaires are two of the methods used in

Observation and questionnaires are two of the methods used in data collection. Researchers are faced with options of selecting the most appropriate methods of data collection that are suitable for their research in order to arrive at solutions to issues at hand. In addition, a researcher must address internal and external validity issues.For this discussion, our focus will be on internal and external validity. Use the information from the required readings, TED Talk video and other sources to:Describe internal validity and external validity. Discuss any threats to which either internal or external validity might be exposed in your business research study.250 words, APA style