| A | B |
| semantics | structure of language |
| grammar | language's rules |
| psycholinguistics | psychological approach to study of language |
| phonemes | basic unit of speech |
| morphemes | smallest unit of meaning in language |
| syntax | rules of how words can be combined in phrases & sentences |
| babbling | universal first step in development of language by infants |
| Noam Chomsky | language acquisition device theory |
| metacognition | awareness of one's own thoughts |
| algorithm | step-by-step problem solving |
| heuristics | general rules & shortcuts to problem solving |
| divergent thinking | finding multiple hypothetical solutions to problems |
| convergent thinking | problem solving that arrives ata a single correct solution |
| insight | sudden realization of answer |
| functional fixedness | failure to think of alternative solutions |