[Solved] All glands are made of ____ tissue. A) connective B) nervous C) epithelial D) muscle Social Exchange Theory: A social psychological and sociological perspective that explains social change and stability as a process of negotiated exchanges between parties. Frustration-Aggression Principle: The principle that frustration—the blocking of an attempt to achieve some goal—creates anger, which can generate aggression. Pornographic Films: Pornographic films are visual media that depict sexual content explicitly for the purpose of sexual arousal. Short Prison Sentences: Penitentiary terms that are brief, often criticized for being ineffective in deterring crime or rehabilitating offenders.