1. See Fed R Civ Proc, Rule 702; Tex R Civ Proc, Rule 702.
2. Rule 702, Tex R Civ Proc.
3. See Rule 701, Tex R Civ Proc.
4. SeeSt John v Pope, 901 SW2d 420, 423 (Tex 1995);Hood v Phillips, 554 SW2d 160, 165–66 (Tex 1977);Shelton v Sargent, 144 SW3d 113, 120 (Tex App—Fort Worth 2004, pet denied).
5. SeeRuiz v Walgreen Co, 79 SW3d 235, 239–40 (Tex App—Houston [14th Dist] 2002, no pet).