Two-year-old Marian and her mother are at the park. People nearby hear Marian talking to her mother, "See birdie," "Mama give," and "My ball.". According to Noam Chomsky, Marian is exhibiting

During the course of a physical exam, a physician suspects his patient may be

depressed. In order to explore this diagnostic possibility, the physician uses a "brief screening device" for depression. The doctor probably A) used the AUDIT to determine their level of depression. B) asked the patient two questions about feelings of hopelessness and feelings related to the enjoyment of activities from a two-item screening instrument. C) used the General Health Questionnaire (GHQ) to assess the degree to which the patient's depression was affecting general health. D) asked the patient to rate his degree of depression using the Checklist of Mood States (CMS).

In working a Sudoku (a Japanese type of logic problem), solvers must determine which of the digits 1 through 9 belongs in each square in a grid compose of nine subgrids

Each row, column, and subgrid must have all of the digits 1 through 9, and digits may not be repeated in any row, column, or subgrid. In these puzzles, which of the following acts would correspond to pruning the search tree? a) Ruling out a number in a particular square because it has previously occurred in that row b) Making sure that the number 7 appears in every subgrid. c) Searching for digits that could possibly go in any one of the unsolved squares. d) Placing the last of the nine digits in one of the subgrids.