An idea that explains the findings of psychological studies based on consistent evidence is called a(n) For example, a researcher may suggest that most “skill” in a video game is due to practice. The more time people spend practicing the game, the greater their “skill”. Such an idea or explanation is called a(n):

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?