PayScale.com indicated that the middle-half salary range for tutors employed by major tutoring providers in May 2011 was between $10.10 and $17.50 per hour. These services screen and train tutors for you, and may even offer you a money back guarantee if your child's grades don't improve.
Definition of 'limiting factor'. limiting factor in American. an environmental factor that limits the growth or activities of an organism or that restricts the size of a population or its geographical range.
Human infl uences oft en act as limiting factors. infl uence of abiotic Factors Abiotic factors such as temperature, light, and soil can infl uence a speciesâ ability to survive. Every species is able to survive within a range of each of these factors. Th is range is called the speciesâ tolerance range (Figure 1).