Which of the following best represents research on Fiedler's Contingency Theory? 1. The explanation for the superior performance of low-LPC leaders in the middle octants is very convincing. 2. The explanation for the superior performance of low-LPC leaders in all octants is not very convincing. 3. The explanation for the superior performance of high-LPC leaders in the middle octants is not very convincing. 4. The explanation for the superior performance of high-LPC leaders in the middle octants is very convincing.