CRT_carryovereffect     Testing carryover effect in Conjoint
                        Experiments
CRT_fatigueeffect       Testing fatigue effect in Conjoint Experiments
CRT_profileordereffect
                        Testing profile order effect in Conjoint
                        Experiments
CRT_pval                Testing whether factor X matters in Conjoint
                        Experiments
immigrationdata         Immigration Choice Conjoint Experiment Data
                        from Hainmueller et. al. (2014).
