1. a print produced by lithography. 2. duplicator that prints by lithography; a flat surface (of stone or metal) is treated to absorb or repel ink in the desired pattern. Familiarity information: LITHOGRAPH used as a noun is rare. â¢ LITHOGRAPH (verb).
1 The P-value is the probability of observing a sample statistic as extreme as the test statistic. 2  Since the test statistic is a t-score, use the t Distribution Calculator to assess the probability associated with the t-score, given the degrees of freedom computed above.
The statistic used to measure the validity is the same as the one to measure reliability, a correlation or Cohen's alpha . What is different is the types of scores being compared. To measure reliability, two (or more) sets of scores from the same individuals are taken using the same operational definition.