Constitutional law changes, even though the Constitution remains the same. American abortion law aptly illustrates this point. Although the text of the Fourteenth Amendment has remained constant since the United States Supreme Court decided Roe v. Wade [FN1] in 1973, the Court has altered its position on the constitutionality of restrictive abortion statutes. According to Roe, the Due Process C...

The reinforcement-omission effect (ROE; also called frustration effect), or greater response strength immediately after nonreinforcement (N) than reinforcement (R), has been traditionally interpreted in terms of one of two factors: transient facilitation after N induced by primary frustration or transient suppression after R induced by postconsummatory processes. Three instrumental lever-pressi...