Chinese name: RCT mbth: Randomized controlled trial characteristics: Randomized grouping characteristics: Setting control characteristics: Intervention characteristics: Prospective RCT, randomized controlled trial, roller coaster, game introduction, RCT randomized controlled trial (RCT) is a means to test the effect of a certain therapy or drug in medical and health services, especially in medical, pharmaceutical and nursing research, and also has applications in other fields such as justice, education and social sciences. The basic method of randomized controlled trials is to randomly group the subjects, implement different intervention measures for different groups, and compare different effects. This method can ensure that the influence of known and unknown confounding factors on each group is the same when the number of subjects is enough. The characteristics of RCT are: 1, random grouping 2, control setting 3, intervention 4 and foresight 5, with the strongest demonstration intensity. RCT article inclusion criteria: the word "random grouping" appears in the article, and the random method is indicated. If the article points out that people are grouped according to the last number of birthday hospitalization date or hospitalization number, or randomly grouped according to the order of hospitalization, or the word "random grouping" appears without indicating the random method, it can only be regarded as a controlled clinical trial (CCT) and will not be included in the RCT article. Commonly used random distribution methods include simple random methods such as coin toss, lottery and random number table, hierarchical random method and block random method; According to the date of admission and the number of outpatients, semi-random method is often used to divide them into odd array and even array. Roller coaster tycoon ii. RCT is the abbreviation of roller coaster tycoon, and its Chinese name is: roller coaster tycoon, roller coaster tycoon, roller coaster tycoon, roller coaster tycoon released by Xintiandi Game Software Company is a business strategy game for all ages. Produced by Ha *** ro Interactive, a famous American game production company. Only three weeks after listing, it broke into the top 65,438+00 of Inter Milan's game list, and still remains the "top ten". This shows the charm of the game. Why can a business strategy game be so widely favored by players? This is because compared with a series of traditional business strategy games, Roller Coaster Tycoon has its unique new features of "eliminating evil and promoting good". For example, the control of the game is very simple, even players who have never played such games can quickly get started and quickly enter the role; At the same time, it has also changed the common problem of other similar games-there are many tasks, which often makes people feel that they should pay attention to one thing and lose another; In this game, you don't have to be too busy with many tasks that don't even have clues. You just need to concentrate on one thing: designing and manufacturing novel and interesting roller coasters. If your roller coaster can really be novel and outstanding, then a large number of tourists and a lot of money will come to you, and then your playground will be crowded, and you may not be able to make a fortune. Perhaps the biggest feature of this game is to combine ordinary business strategies with design ideas that can best cultivate people's imagination and creativity. Abandon the "multi-center, non-center" problem, so that people are no longer troubled by "trouble" and can re-establish their interest in business strategy games; It can be said that "Roller Coaster Tycoon" has made a special contribution to this type of game, and it is not an exaggeration to regard it as a landmark representative work in this kind of game. Although the requirements of the game for players are only to design and manufacture roller coasters as much as you can and manage your playground through some simple means, there is much to be done in these two simple tasks of "manufacturing" and "management"! If you think that the task of the game is simple and the difficulty will be reduced, then you are all wet! In fact, "simple" is only relative, just to let you get started quickly, but the connotation of the game is very profound. If you go deeper, you will find that the playability of the game is not worse than that of similar games.