Her research focuses on the complex societal factors that perpetuate cycles of homelessness.

homelessness 是由形容词 homeless（无家可归的）加上名词后缀 -ness 构成的名词。homeless 由 home（家）和否定后缀 -less（表示"没有"）组成。homelessness 指"无家可归的状态或现象"。