You are a research psychologist, and you were recruited to run a study for a video...

  

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You are a research psychologist, and you were recruited to run a study for a video game company. The company has created a new video game that includes commercials for products in the game, but they are worried they won't make any money unless consumers enjoy playing the game with commercials as much as or more than playing the game without the commercials. You begin by recruiting 100 people to play the game. You randomly assign volunteers to one of the following conditions: one group of 50 volunteers playing with no commercials and one group of 50 volunteers playing with a video selling products. After one month of playing, the volunteers have the option of buying the game so they can continue playing, which will signify their enjoyment; however, before the month was up, 3 people from the no commercial group stopped playing and 8 people from the commercial group stopped playing. After the month was up, 17 people from the no commercial group bought the game to continue playing, while 12 people bought the game from the commercial group. You are looking to test to see if the difference between the number of people that enjoyed when there are commercials (M-12, n=42, s-3, SSI- 369) is equal to or greater than the number of people who enjoyed the game with no commercials (M-17, n-47, s-5, SS-1200). You want to see if this difference is larger than what you would expect to see 95% of the time just from. sampling variability. 1. 2. What statistical test will you use? 3. Is this study design experimental or correlational? How do you know? 4. What is the null hypothesis? What is the alternative hypothesis? I What is the critical value of the test statistic? 5. 6. Calculate the test statistic: Calculate the magnitude of effect for the difference: 7. Fill in the blanks for the APA style interpretation of your statistical test: According to a(n) test, the difference between the means is p_a( __), d= You are a research psychologist, and you were recruited to run a study for a video game company. The company has created a new video game that includes commercials for products in the game, but they are worried they won't make any money unless consumers enjoy playing the game with commercials as much as or more than playing the game without the commercials. You begin by recruiting 100 people to play the game. You randomly assign volunteers to one of the following conditions: one group of 50 volunteers playing with no commercials and one group of 50 volunteers playing with a video selling products. After one month of playing, the volunteers have the option of buying the game so they can continue playing, which will signify their enjoyment; however, before the month was up, 3 people from the no commercial group stopped playing and 8 people from the commercial group stopped playing. After the month was up, 17 people from the no commercial group bought the game to continue playing, while 12 people bought the game from the commercial group. You are looking to test to see if the difference between the number of people that enjoyed when there are commercials (M-12, n=42, s-3, SSI- 369) is equal to or greater than the number of people who enjoyed the game with no commercials (M-17, n-47, s-5, SS-1200). You want to see if this difference is larger than what you would expect to see 95% of the time just from. sampling variability. 1. 2. What statistical test will you use? 3. Is this study design experimental or correlational? How do you know? 4. What is the null hypothesis? What is the alternative hypothesis? I What is the critical value of the test statistic? 5. 6. Calculate the test statistic: Calculate the magnitude of effect for the difference: 7. Fill in the blanks for the APA style interpretation of your statistical test: According to a(n) test, the difference between the means is p_a( __), d=

Answer rating: 100% (QA)

1 Study Design This study design is experimental because participants are randomly assigned to different conditions with or without commercials allowing for the manipulation of the independent variabl... View the full answer