Answer:
internal validity
Explanation:
The internal validity measures the degree to which the research is correct. This is done by determining the number of confounding variable.
A confounding variable is the variable that influences both the independent and dependent variable. Only the independent variable should influence the dependent variable.
When the confounding variables found in the research is low the internal validity of the research increases and if the confounding variables found in the research is high the internal validity of the research decreases.
Here, Professor X is worried that a confounding variable is influencing his dependent variable so he is concerned about the internal validity of his experiment.
Answer:During the period of Reconstruction, some 2000 African Americans held African Americans celebrated their newfound freedom both privately and in public jubilees. In a few places in the South, former slaves seized land from former slave worship but also as centers for learning, socializing, and political organization.
Explanation:
Answer:
The origin of the English word dog has been a riddle for ages. It developed through Middle English dogge from Old English docga, after which the trail seems to go cold. At first it referred mostly to dogs of a coarser nature and was often used disparagingly, also as an insult to people.
Explanation:
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It should be noted that an example of a truth that was restored through Prophet Joseph Smith was <u>baptism.</u>
Baptism simply means the first saving ordinance of the gospel. Through Prophet Joseph Smith, it was stated that God was able to restore the authority of the priesthood.
It should be noted that the priesthood keys that were important to perform all ordinances necessary for eternal life were also restored.
Learn more about baptism on:
brainly.com/question/6851600
