[Solved] Professor John Juniper was interested in using Statistics Canada data to examine trends in Canadian unemployment rates over the last 40 years;however,he found that the official definition of "unemployment" used to collect unemployment statistics differed from year to year.Which of the following issues complicates matters for him? A)Reliability B)Validity C)Ecological fallacy D)Ideal types E)The coding frame is invalid Psychological Structure: Refers to the organization and arrangement of different psychological constructs, processes, or traits within the human mind, shaping how individuals think, feel, and behave. Tripartite Model: A framework or theory that divides a concept or phenomenon into three distinct components or dimensions. Violent Pornography: Pornographic material that contains scenes of sexual acts accompanied by violence or aggression towards individuals. Trivialises Rape: Describes the act or tendency to make rape seem less serious or less important than it actually is.