Direction: Fill the missing terms. Write your answer on the space provided.1. .An is a data collection method where you as a researcher change somevariables and observe their effect on other variables.2. A is a data collection method where you select a sample of respondentsfrom a large population in order to gather information about that population.3. , when you use this method, you meet with the respondents face to faceand ask questions.4. In an method, the data from the field is gathered with the help ofobservation by the observer.5. is sent ( by post or by mail) to the persons concerned with a requestto answer the questions and return the questionnaire.6. .It is a process by which the researcher collects/gathers theinformation needed to answer the research problem.7. It is very similar to the questionnaire method. The main differenceis that the schedule is filed by the enumerator who is specifically appointed for thepurpose.8. One who goes to the respondents, asks them the questions from thequestionnaire in the order listed, and records the responses in the space provided.9. are those which have already been gathered by someone else andwhich have through some statistical analysis.10. . are those which are gathered for the first time and are original incharacter. ​