In some cases, though, it may be the only source of data available. Outcomes such as attitudes or beliefs are difficult to measure using direct methods. At times, indirect measures may be entirely ...

1997), so alternative methods for detection of indirect effects, such as path analysis, are needed (Wootton, 1994). Do direct or indirect effects have a greater impact in structuring communities?

Fuel injection is a method of fuel delivery that uses ... Throttle Body Injection (TBI), Multi-Port Fuel Injection (Indirect Injection), Direct Injection, and Dual Injection.

Scientists from Spain’s Technical University of Madrid have conducted a comparative study of direct and indirect coupling configurations for PV and electrolyzers in the production of green ...