Answer:
a. survey
Step-by-step explanation:
Survey: This is a data collection tool that is used to collect information about individuals. Surveys in psychology research are used to gather self-report data from participants being studied. It can either focus on factual information of participants, or it may obtain the beliefs of the survey takers. This is a type of descriptive study.
Steps involved in the survey:
1. To decide the research goals.
2. Creating a list of questions.
3. Inviting the participants.
4. Gather your responses.
5. Analysis of the results.
6. Report writing.