choosing the wrong two options
Mistakenly thinks there are two options when there are not, and tries to choose one or the other.
Not trying to find a third option.
The quality of decision making is 7.7 times better when there are two choices versus three choices. see Quantity of choices and quality of decision making.
opposition Mistaking what is not for opposition.
He says, "A or B."
Isn't there an option for "both?"
What about the "combination" option?
With regard to planning, "both" is often interpreted as "do both" and then cut down to "it's not cost-effective".
It's "impossible to do both or neither", not exclusion.
Lack of ingenuity in how they are combined.
There are many ways to combine them.
Example
Value Passing or Reference Passing? Passing by reference? → Passing by reference by value
Regression? Classification? →Solve classification problems by using regression to find the probability of entering a class.
see Is logistic regression regression or classification?
By assuming that they are antithetical, the two options are mistakenly thought to be "confrontation"
This often leads to conflicts, especially in multi-person organizations, with separate groups pushing each option.
Visualizing and trying to resolve this is Conflict Resolution Diagram.
Related: False dichotomy.
Related: integrative thinking.
---
This page is auto-translated from /nishio/誤った二者択一 using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.