Answer:
operational definition
Explanation:
Operational Definition: This is a term used to describe the course of action of the research variables and the study. In this experiment, laugh can be defined operationally as a smile with a sound. Because of this operational definition, the psychologists can replicate the research or the experiment. The operational definition, when used to collect data, consists of a clear, and detailed definition of a measure.
Answer:
Dec. 10, 1898
Explanation:
Like the name states, it was signed in Paris, France by representatives of Spain and the USA
Answer:
A
Explanation:
if the level of significance is increased, the interval for the population proportion will become narrower. using α = 0.05, a confidence interval for a population proportion is determine to be 0.15 to 0.35 if the level of interval is decreased