Would you like to share, now that you have us interested?
Of course, I found it in Fromkin's book again. She wrote in chapter 12 about "lexical decision" explaining you refer to your mental lexicon when you, for exapmle, hear a word port then either harbor and winewill prime the word port which is near to your mind.
In fact, all meanings represented by a phonological form in our mental lexicon will be stimulated.
And about "lexical selection", we try to express our thoughts through words in the lexicon, we may make an incorrect lexical selection based on partial similiarity of meanings.
Blending can illustrate lexical selection, we may select two or more words to express our thoughts and instead of deciding between them like frown/scowl= frowl.
As far as I understand, "Lexical decision" leads to either correct or wrong word. But 'Lexical selection" always leads to an incorrect selection.