Monologues:

At Life the Universe and Everything symposium, there was a panel on Monologues.

Internal monologue is when the characters try to convince himself or herself on something. External monologue is with a try to persuade somebody else.
If an author is uncertain how the character discuss uncertainty internally
If character is by their self for long periods of time watch the character talking to self and not be boring.
In storytelling you want to watch audience to see when they begin to check out. This might be a time you need to modify your story for pacing
Beta readers you could asked him to do a big be disabled a circuit board
Pacing, do internal dialogue after a lot of action. It may start his dialogue then move over to the character’s thoughts.
Make sure that internal dialogue has the proper trigger to match the thoughts for the internal dialogue.
In movie scripts, the reader will flip through the manuscript backwards to look for white space, to see if the script is evenly balanced between dialogue and text. To see if it looks balanced.
Be careful of talking heads.
Young readers have a lot of white space. White space is created by doing a pause. It lets you take a breath in the story
The comedian Jim Gaffigan will actually add humor by creating a pretend audience that acts offended to his comments.
A character whose uncertain or insecure may display that trait by halted speech. While a character who is confident and bold may not speak confidently and distinctly. Soldiers and stress may have their dialogue as abrupt and interrupted.
For middle grade fiction not only does your dialogue need to be in a middle grade voice but variation as well.
Monologue may illustrate a change of opinion. It was not change information that assists an information dump. It might be an opportunity of finding an answer.
Make sure there is a reason – stimulus for character to speak in a monologue.
Look for multiple times of providing different scenes and landscapes settings mix at the location.
Make sure the monologue belongs where it exists. Read your book out loud in the character’s voice reading your books out loud can catch a lot of problems