factors contained in an unobserved effect are factors contained in the unobserved effect what factors could be contained in the unobserved effect what factor could be contained in the unobserved effect? unobserved effect definition what factors are contained in the unobserved effect? what factors would be contained in an unobserved effect factors contained in the unobserved effect what are some factors contained in the unobserved effect what are some of the factors contained in the unobserved effect? factors contained in unobserved effect factors contained in the unobserved effect what factors are contained in an unobserved effect factors contained in the unobserved effect what factors are contained within the unobserved effect factors contained in the unobserved effect which factors would be contained in the unobserved effect unobserved effects definition unobserved effect definition what factor is an unobserved factor