Yuki is a graduate student who studies the use of soft skills in modern$-$day workplaces. In her research, Yuki must hold which of these assumptions?

Yuki is a graduate student who studies the use of soft skills in modern$-$day workplaces. In her research, Yuki must hold which of these assumptions?

People$$s soft skills never change across the lifespan.

Different jobs require different amounts of soft skills.

Soft skills can be measured for certain jobs, but not others.

After training, the differences between people$$s skills will get larger.