The term "psychological background" is correct and usable in written English.
You can use it when referring to a person's past experiences and emotions which are relevant to their current situation or behavior. For example, "His psychological background made him more receptive to the new ideas."
"He came from a tough psychological background," Laura's brother said.
We looked into their psychological background, and came up with some interesting data.
"But you have to understand we come from a psychological background now.
I read scientific textbooks about poison and a lot of psychological background on why people would poison.
The company says on its website that it "requires applicants to go through psychological, background and criminal screening.
He clarified many of the sentences, added psychological background to the characters and westernised the Japanese architecture.
The researchers, however, were not allowed to examine the vast majority of workers who did not fall ill as a control group to determine whether they had similar psychological backgrounds.
In the 1950s, a trend of "adult" Westerns appeared in which characters were given psychological backgrounds to explain their motivations, as in The Left Handed Gun, in which an angst-ridden Billy the Kid gets his revenge after losing his father figure.
"Our cause for concern is not hypothetical, but based on a deep understanding of the socio-psychological background that these children operate within.
All were thoroughly assessed for somatic complaints, psychiatric and psychological problems, background factors with standardized instruments.
In a model with baseline level of psychological distress, background factors, all baseline work factors, and all types of changes in the work situation between baseline and follow-up, the adjusted R2 was 0.360.
