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PSY340: Statistics for the Social Sciences
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Part I
Use the decision tree for the following research descriptions and try to determine which statistical test is appropriate. A) A psychologist theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large meal or a small meal. After eating the meal, their hearing was tested. The hearing ability scores were collected. B) In this study, English speaking participants were instructed to try to read a paragraph for a half hour in one of three languages they did not understand. They read the paragraph after either being told the main idea of the paragraph, told the main idea of the first sentence only, or not told anything about the meaning. They were given translations of some of words. The researchers then measured how many of the other words they could correctly translate. C) A researcher wants to know if the need for mental health care among prisoners varies according to the different types of prison facilities. The researcher randomly selects 40 prisoners from each of the three main types of prisons in a particular Canadian prvince and conducts exams to determine their need for mental health care. D) Four young children were monitored closely over a period of several weeks to measure how much they watched violent television programs and their amount of violent behavior toward their playmates. Part II 1) Download the datafile majors.sav 2) The datafile contains a number (8) of variables. What are they? 3) For each variable identify whether it is:
5) How many cases are there in the dataset? 6) What is the highest SAT math score from the sample? Which case(s) got this score? 7) Are males or females coded as "1"? Solutions for the lab here |
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Dr. J. Cooper Cutting, jccutti@ilstu.edu.