Exam 1: Introduction to Statistics

A researcher hypothesizes that people aged 35-54 are more opposed to a governor's special election than either younger (<35) or older (>54) voters. In this study, the dependent variable is ______.

A study of people who lost their homes in Hurricane Katrina hypothesized that "greater amounts of television viewing (about the hurricane) would predict greater levels of depression" (McLeish & Del Ben, 2008). In this study, the independent variable is best described as ______.

A researcher gives several high school students the SAT to compare the scores of males and females. This variable may best be described as being measured at the ______ level of measurement.

A researcher studying gambling behavior finds that people playing bingo will bet more money when they are allowed to choose their bingo cards than when they do not have this choice. In this study, the dependent variable is best described as ______.

A researcher hypothesizes that businesses that adopt telecommuting policies (allowing workers to work at home rather than have to drive to work) have lower turnover than businesses that do not have these policies. In this study, the independent variable is ______.

A research team hypothesizes that "children will rate a disciplining strategy emphasizing logic and reason as more effective than one based on rewards and punishment" (Barnett et al., 1996, p. 414). In this study, the independent variable is ______.

A research hypothesis is best thought of as ______.

A recent medical study found that children who watch more than 4 hours of television a day were more likely to be obese (overweight) than children who watched less television. In this study, the dependent variable is ______.

A researcher who analyzes court records of juveniles who committed felony offenses is conducting archival research.

"Attitudes toward global warming vary as a function of political party." What is the main problem with how this research hypothesis has been stated?

A ______ variable such as "favorite brand of beer" is measured at the ______ level of measurement

A researcher is analyzing data to understand the difference in men's and women's fear of crime. One of the research hypotheses to be tested is: Those who have been prior victims of crime will have higher levels of fear. Which of the following is the dependent variable in the research hypothesis?

A teacher asks her students how often they go to church: "Never," "1-2 times a year," "Once a month," "Once a week," or "More than once a week." This variable may best be described as being measured at the ______ level of measurement

A kindergarten teacher asks her students how hungry they are: "Not at all," "Only a little," "Kind of," or "Starving." This variable may best be described as being measured at the ______ level of measurement

Within a research hypothesis, the independent variable may be thought of as the ______ and the dependent variable may be thought of as the ______.

A political consultant asks voters which candidate they plan on voting for in the upcoming California election. Their answers to his question comprise a variable measured at the ______ level of measurement.

At the end of a phone call to a customer service center you're asked to rate the quality of service you've been provided using the following choices: "Poor," "Fair," "Good," "Very Good," and "Excellent." This variable may best be described as being measured at the ______ level of measurement.

A student at the university is studying the effect of race, class, and gender on one's view of the death penalty. Which variable would be the dependent variable in this research?

Given the flurry of advertisements regarding the extensiveness of their networks, a pollster asks a group of people whether they feel AT&T, Sprint, or Verizon provides better coverage. This variable may best be described as being measured at the ______ level of measurement.

A researcher hypothesizes students who work full-time are less likely to graduate than students working part-time. In this study, the dependent variable is ______.