Is it I have that effect or affect on people?
Likewise, is it an effect or affect on someone?
Affect is a verb meaning 'influence or cause someone or something to change': New technologies continue to affect how we live. Effect is a noun that means 'the result of an influence': The pollution in the city had a bad effect on me.
Beside above, what is an example of affect? Affect means "to influence" or "to produce a change in." As affect, a verb "produces a change," effect, a noun, is the "change" or "result." Example of effect used as a noun. Since effect means an "influence" in this sentence, it is the correct word to use here.
Secondly, what does I have that effect on people mean?
Most of the time, you'll want affect as a verb meaning to influence something and effect for the something that was influenced. The difference between affect and effect is so slippery that people have started using "impact" as a verb instead.
Did the cold effect or affect you?
The verb affect means “to act on; produce an effect or change in” as in, “the cold weather affected the crops,” (it produced a change in the crops … probably killing them). So, when you're looking to use one of these two terms to express an action, chances are you're looking for affect.