Answer:
c. Observational studies have both independent and dependent variables.
d. Observational studies can be used to test hypothesis.
Explanation:
Observational studies are ones in which a researcher makes observations about his thoughts and views. He observes the risk and other effects before actual test takes place. This is usually the initial phase of research where observations are made for suitability of certain things that are to be researched. There is initial feasibility test conducted to identify whether the further research process is beneficial or not.
It made the government better and more professional and also gave them more training
The answer is <u>"Collecting, reviewing, and analyzing data to identify safety trends".</u>
The motivation behind the Army Safety Program is to shield and protect Army assets around the world, to incorporate Soldiers, Army regular folks, and Army property against coincidental misfortune. It accommodates open wellbeing occurrence to Army tasks and exercises. From the leader to the Soldier and non military personnel worker, mischance avoidance is everybody's obligation.
There are various advantages when risks are distinguished and controlled. For instance:
Damage counteractive action – ensure our staff
Administration change – a unit that has a proactive, compelling security program has pioneers that search for the issues previously they move toward becoming mischances.
Mission security – ability and status
Harm control – anticipate inadvertent loss of hardware
and many more...
Hope it helps!
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Someone could tell me that it is the shirt change in democracy
<span>Seleccionar un problema de investigación. Formulación de hipótesis. Variables de interés. Seleccionar niveles de una variable independiente. Seleccionar una variable dependiente .... dos o más teorías. El interés del investigador puede no tener nada que ver con la solución de un problema psicológico o sociológico existente. Como se discutió en el anterior</span>
