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The term significance does not imply importance here, and the term statistical significance is not the same as research significance, theoretical significance, or practical significance. [1] [2] [18] [19] For example, the term clinical significance refers to the practical importance of a treatment effect. [20]
The bogus pipeline is a fake polygraph used to get participants to truthfully respond to emotional/affective questions in a survey. It is a technique used by social psychologists to reduce false answers when attempting to collect self-report data.
Psychological statistics is application of formulas, theorems, numbers and laws to psychology. Statistical methods for psychology include development and application statistical theory and methods for modeling psychological data. These methods include psychometrics, factor analysis, experimental designs, and Bayesian statistics. The article ...
In fact, if the null hypothesis is true, then any significance level can be reached if one is allowed to keep collecting data and stop when the desired p-value (calculated as if one has always been planning to collect exactly this much data) is obtained. [7] For a concrete example of testing for a fair coin, see p-value § Optional stopping.
For example, imagine a medical test, in which an experimenter might measure the concentration of a certain protein in the blood sample. The experimenter could adjust the threshold (black vertical line in the figure) and people would be diagnosed as having diseases if any number is detected above this certain threshold.
A Virginia man arrested two weeks ago on an illegal gun charge was allegedly concealing the largest arsenal of “finished explosive devices” ever seized by the FBI, the bureau said...
A 5 foot long section of pipe was ejected 72 feet away. There were no injuries. [26] Residents in Lawrenceville, Georgia reported to a local gas company a gas smell. This led to finding diesel fuel running into a storm drain from a leaking Products Pipe Line 26 inch line. It was unknown how long the pipeline had been leaking.
In 2016, the American Statistical Association (ASA) made a formal statement that "p-values do not measure the probability that the studied hypothesis is true, or the probability that the data were produced by random chance alone" and that "a p-value, or statistical significance, does not measure the size of an effect or the importance of a ...