Protein-protein interaction | Riemann hypothesis | Alvarez hypothesis | Witch-cult hypothesis | extraterrestrial hypothesis | two-source hypothesis | Rare Earth hypothesis | Multimodal interaction | interaction | Human–computer interaction | human-computer interaction | Hebrew Gospel hypothesis | Articulata hypothesis | Warburg hypothesis | Virtual economy#Controversy: "Real" Economy Interaction | Two-source hypothesis | Turnover-pulse hypothesis | Three-source hypothesis | Swoon hypothesis | Stolen body hypothesis | Statistical hypothesis testing | Sonic Interaction Design | Sonic interaction design | Schinzel's hypothesis H | Random walk hypothesis | Quadratic configuration interaction | Molecular Interaction Maps | Limited Feedback Interaction | Interaction (statistics) | Interaction design pattern |
The 1990s saw a host of new theories introduced to the field, such as Michael Long's interaction hypothesis, Merrill Swain's output hypothesis, and Richard Schmidt's noticing hypothesis.