An operational definition, when applied to data collection, is a clear,
concise detailed definition of a measure. The need for operational
definitions is fundamental when collecting all types of data. It is
particularly important when a decision is being made about whether
something is correct or incorrect, or when a visual check is being made
where there is room for confusion.
I think it is the first answer choice.
Answer:
Assuming that more physical contact is associated with higher relationship satisfaction, this study is a demonstration of predictive validity.
Explanation:
The survey above is an example of predictive validity. This term refers to a research that has the ability to predict the future of individuals, based on the analysis of some factors and characteristics that these individuals have. This can be seen in the question above because the researcher predicts the future satisfaction of couples in a relationship based on the amount of physical contact they have had.
Answer:
The Allies saw the German military strength as powerful, but not innovative, thinking they would mirror the war of 1914.
Explanation:
During the first phase of the war, the French High Command pivoted the war strategy, but they were hindered in their fear of repeating the trench war of 1914. Thus their strategy was entirely defensive, hoping that the German military (no matter its power) would crash against the Allied superior numbers and its defenses (in short the Maginot Line).
They were sure that technology was not adavanced enough to overcome certain natural spaces, and though short of the German innovativenes, that was the cause of the attack through the Ardennes, and then the pincer movement that would lead to Dunkirk and the French defeat and surrender in 1940.
Answer:
Population proportion
Explanation:
A population proportion, refers to the a parameter that measures the percentage value associated with a population. We can calculate population proportion for example by determining percentage for a given outcome from a population example 96% of the population have a certain disease, the population proportion would be .96
