[22] KKV sees system-tracing and qualitative research as remaining "unable to produce robust causal inference" because qualitative Students would wrestle with deciding which of many intervening variables genuinely backlinks the impartial variable having a dependent variable. The main difficulty is always that qualitative study lacks a ample variety of observations https://casehelp74082.mybloglicious.com/53684547/detailed-notes-on-hbr-case-study-solution