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Logic games, officially referred to as analytical reasoning, or abbreviated LG, is one of the sections appearing on the Law School Admission Test (LSAT). A logic games section contains four 5-8 question “games,” totaling 22-25 questions. Each game begins by setting a scenario and providing a set of rules, and follows with questions that test the test-taker’s understanding and application of the rules and inferences arising from the rules. In the words of the LSAC, the test “measure[s] the ability to understand a structure of relationships and to draw logical conclusions about that structure.” The time allowed for this section, like all other sections on the LSAT is 35 minutes. Most students find this section the most difficult LSAT section, although ironically the logic games section is considered the easiest and the fastest to improve at once the right strategies are learned and implemented.
Contents
Basic linear
In a basic linear game, two sets of variables are provided. The first set of variables, sometimes referred to as the ‘base variables,’ is usually days of the week, an order of arrival, or some other order. The second variable set is then matched to the first set according to a set of rule. For example:
The game would then proceed by asking questions such as:
Advanced linear
Advanced linear games are similar to basic linear games, but three or more sets of variables are presented. For example:
The game can then provide rules and pose questions relating to the order of arrival of a runner, the shirt color of a specific runner, sequences of color that must or must not be present, the shirt color of the runner that comes first etc.
Grouping
Grouping games provide variables that must be assigned to groups, but not in a specific order or sequence. For example:
Grouping linear combinations
Combination games follow a similar structure but include both linear and grouping elements.
Less common games
In addition to the common games, the LSAT sometimes includes other types of games that appear less frequently. Examples of less common games are:
Method
To solve the game quickly and efficiently, test-takers usually draw a master diagram at the bottom of the page. The rules and key inferences are written down in short symbols next to the diagram, and where possible, marked on the diagram itself. A smaller diagram can also be drawn next to a specific question if that question poses any additional rules.