Research & Statistics Exam 1

To conduct a survey on current political science majors, a researcher gets a list of all students who have declared a political science major from the registrar's office in USF. From this list he will draw out a sample. This list is known as what?

What is defined as "the process by which raw data is transformed into a format suitable for computerized data file"?

Getting mean, median, and mode of variables is an example of:

Random sampling is another term for randomization

If we are testing the hypothesis that the well-being of abused children will be better ensured if they are placed with relatives versus if they are placed in foster care with non-relatives: what kind of variable is the type of placement?

In this type of sampling, the choice of being selected in a sample is not random, but systematic choice. Take every nth participant. For example, take every 5th person that walks through a door or every 6th case file out of a sample of cold case files.

Which of the following CANNOT be performed on data collected at the interval/ratio level of measurement?

Dr. Joshi is collecting data for a research project related to violence in dating relationships. She asks the director of the school if she can make an announcement in three social work classes to recruit participants and then wait for students to volunteer. The director agrees, and Dr. Joshi recruits over 40 participants. What type of sampling method did Dr. Joshi use?

A social work researcher measures job stress and burnout in a sample of child welfare workers in ONE county agency. She finds that most of the workers have high levels of job stress, but do not suffer from burnout. She presents her findings to a group of child welfare agency directors from across the nation. Many directors whose county office was not the focus of the study assert that the findings would not hold in their agencies because their agencies are not located in the same county as the researcher's. This assertion is a challenge to the ________ of the findings to other populations.

Which of the following is an example of a variable measured at the ordinal level of measurement?

Which of the following statistics is used commonly to measure internal consistency reliability?