That arises from inaccurate sampling frame, data clarification or verification methods, reporting or coding of data, and/or specifications. It may also arise from poorly designed survey questionnaires, improper sample allocation and selection procedures, and/or errors in estimation methodology.
riff (rÉªf) n. 1. an ostinato melodic phrase accompanying a soloist in jazz or rock music. 2. any variation or improvisation, as on an idea. v.i. 3. to perform a riff. [1930â35; perhaps alter. of refrain 2] riff Past participle: riffed Gerund: riffing
I. What is a Motif? A motif is a symbolic image or idea that appears frequently in a story. Motifs can be symbols, sounds, actions, ideas, or words. Motifs strengthen a story by adding images and ideas to the theme present throughout the narrative. The word motif (pronounced moh-teef) is derived from the French phrase motif meaning âpattern.â.