"Investigational" Natural Recordings by Native Speakers
Investigational refers to relating to or being a trial or test of a new medicine, treatment, or procedure to determine its effectiveness and safety.
I'm afraid there is no word "investient". It's possible that you meant to type "inventive", which means having a capacity for creative thinking and original ideas. Alternatively, it could be a made-up or non-existent word. If you meant something else, please let me know!
To examine or investigate something means to make a thorough search or examination of it, often in order to discover facts or gather information.
Investigating refers to the act of examining or searching carefully and thoroughly in order to find out the truth or facts about something, such as a crime, a problem, or a situation. It involves gathering and analyzing evidence, conducting interviews, and using various techniques to uncover the necessary information.
Investigations refer to a systematic and thorough examination or inquiry into a matter, often with the aim of uncovering facts, establishing the truth, or resolving a problem. Investigations can be conducted in various fields, such as law enforcement, science, medicine, or journalism, and may involve gathering and analyzing evidence, conducting interviews, and testing theories.
An investigator is a person who conducts investigations or inquiries, typically to gather information or gather evidence about a particular matter or crime. An investigator may work in a variety of fields, including law enforcement, journalism, or private industry, and may be responsible for interviewing witnesses, collecting evidence, and analyzing data to draw conclusions or make recommendations.