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A large group of teenagers is divided into two smaller groups of 125 each, and each group watches a different movie. One group watches a love story while the other group watches a movie containing several scenes with violence. The teenagers are then asked questions to uncover unconscious associations and determine their level of aggression. I. What is the population? II. What is the sample? III. Is the study observational or experimental? Justify your answer. IV. What are the variables? V. For each of those variables, what level of measurement (nominal, ordinal, interval, or ratio) was used to obtain data from these variables? Solution population is all teenagers sample is the 250 teenagers in the study If the teens were randomly assigned to the different movies, then it\'s an experiment; if they decided which movie they watched, then it\'s observational. The variables are movie watched (independent) and level of aggression (dependent). movie is nominal, level of aggression is ordinal.

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A large group of teenagers is divided into two smaller groups of 125 each, and each group watches a different movie. One group watches a love story while the other group watches a movie containing several scenes with violence. The teenagers are then asked questions to uncover unconscious associations and determine their level of aggression. I. What is the population? II. What is the sample? III. Is the study observational or experimental? Justify your answer. IV. What are the variables? V. For each of those variables, what level of measurement (nominal, ordinal, interval, or ratio) was used to obtain data from these variables? Solution population is all teenagers sample is the 250 teenagers in the study If the teens were randomly assigned to the different movies, then it's an experiment; if they decided which movie they watched, then it's observational. The variables are movie watched (independent) and level of aggression (dependent). movie is nominal, level of aggression is ordinal

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A large group of teenagers is divided into two smaller groups of 125.pdf

  • 1. A large group of teenagers is divided into two smaller groups of 125 each, and each group watches a different movie. One group watches a love story while the other group watches a movie containing several scenes with violence. The teenagers are then asked questions to uncover unconscious associations and determine their level of aggression. I. What is the population? II. What is the sample? III. Is the study observational or experimental? Justify your answer. IV. What are the variables? V. For each of those variables, what level of measurement (nominal, ordinal, interval, or ratio) was used to obtain data from these variables? Solution population is all teenagers sample is the 250 teenagers in the study If the teens were randomly assigned to the different movies, then it's an experiment; if they decided which movie they watched, then it's observational. The variables are movie watched (independent) and level of aggression (dependent). movie is nominal, level of aggression is ordinal