A person who makes up their mind and then changes it can be called indecisive or fickle.
A person who studies the mind is called a psychologist.
A person with a steady mind could be described as composed, level-headed, or calm.
someone that is confused with something or someone
A fickle-minded person is someone who is indecisive and changes their opinions or feelings frequently and unpredictably. They may struggle to commit to decisions or stick to their beliefs, often causing frustration or confusion for themselves and others around them.
A person who studies the mind and behavior is called a psychologist.
Capricious, fickle.
Fickle
A person who studies the mind is called a psychologist.
indicisive
Mitt Romney.
A person with a steady mind could be described as composed, level-headed, or calm.
pensive? introspective? contemplative?
someone that is confused with something or someone
Bertie Changes His Mind was created in 1925.
There should be a person in mind to call another person upon the stage. For example,. if there is a guest of honor at an event, there would be one specific person to introduce him or her, not the master of ceremonies.
It's depend on what that person is working on. But I would call it a Laboratorist
There are probably many words for this kind of person, but the first one that comes to mind is "extrovert."