Yes because you cannot establish credibility without a source that is experienced on the research topic. it would be like a janitor writing journals about brain surgery when he never went to school to get his doctorate degree and has no valid knowledge of the topic.
The correct answer is The schism resulted in two separate churches: the Eastern Orthodox Church and the Roman Catholic Church.
The Great Schism was the event that caused the rupture of the Church, separating it in two: <u>Roman Catholic Apostolic Church</u> and <u>Catholic Apostolic Orthodox Church</u>, from the year 1054, when the leaders of the Church of Constantinople and the Church of Rome mutually excommunicated.
The answer is C. In times or war, free speech may be more limited than in times of peace
This is to not damage the support for the war.
In assessing the internal validity of an intervention, we try to determine if certain changes cause certain outcomes. It is relevant in studies that try to establish casual relationship. While in observational or descriptive studies, it is not that relevant. It is also possible to have internal validity in a study and not have construct validity. Example, imagine a study where you are looking at the effects of a new computerized tutoring program on math performance in first grade students.
