▁research ▁methods . ▁He ▁published ▁the ▁book ▁The ▁Research ▁Act : ▁A ▁The oret ical ▁Introduction ▁to ▁Soci ological ▁Method s ▁in ▁ 1 9 7 0 ▁and ▁edited ▁the ▁book ▁Read ings ▁in ▁Social ▁Psych ology ▁and ▁Social ▁Psych ology ▁with ▁Lind es m ith ▁and ▁Str ass ▁in ▁ 1 9 7 5 . ▁The ▁Hand book ▁of ▁Qual itative ▁Research , ▁co - ed ited ▁with ▁Y v onna ▁Lincoln ▁in ▁ 1 9 9 4 , ▁has ▁gone ▁through ▁four ▁subsequent ▁ed itions ▁( 2 0 0 0 , ▁ 2 0 0 5 , ▁ 2 0 1 1 , ▁ 2 0 1 7 ) ▁and ▁is ▁considered ▁the ▁primary ▁reference ▁volume ▁in ▁the ▁field . ▁Den zin ▁as ▁a ▁co - editor ▁( 1 9 9 8 a , ▁ 1 9 9 8 b , ▁ 1 9 9 8 c , ▁ 2 0 0 1 , ▁ 2 0 0 2 , ▁ 2 0 0 3 , ▁ 2 0 0 6 , ▁ 2 0 0 7 , ▁ 2 0 0 8 a , ▁ 2 0 0 8 b , ▁ 2 0 0 8 c , ▁ 2 0 0 9 a , ▁ 2 0 1 0 a , ▁ 2 0 1 1 , ▁ 2 0 1 2 , ▁ 2 0 1 3 , ▁ 2 0 1 5 , ▁ 2 0 1 7 a , ▁and ▁ 2 0 1 7 b