Identify each of the following data as qualitative or quantitative. 1. The liquid is light blue in color. 2. It tastes sour. 3. The maple leaf is 9 cm long. 4. It smells sweet. 5. The mass of the computer is 2 1/2 kg. 6. It gets darker over a period of time.
1. Qualitative; 2. Qualitative; 3. Quantitative; 4. Qualitative; 5. Quantitative; 6. Qualitative
Describe the difference between longitudinal and cross-sectional research.
Longitudinal research follows the same participants over a period of time, while cross-sectional research compares different participants or groups at a single point in time.
Explain the difference between qualitative and quantitative data, and give one example of each.
Qualitative data describe characteristics or qualities, such as a person having blue eyes. Quantitative data are numerical measurements, such as a person being 170 centimeters tall.
Read the data example below and answer the question that follows. The subject was placed in a strange room and appeared highly anxious, often fidgeting and glancing out the window every few seconds. What type of data is represented?
Read the scenario below and answer the question that follows. A researcher wants to observe the playground behavior of preschoolers. In order to conduct the experiment, video cameras are secretly placed in several areas of the playground. The researcher is conducting the research by using which descriptive research method?
One of the primary benefits of a survey is that they __________.
Which of the following statements concerning cross-sectional research is false?
Explain the advantages and disadvantages of using surveys for data collection.
Surveys are efficient, inexpensive, and can collect information from many people about opinions, attitudes, and experiences that cannot be directly observed. However, responses may be biased or inaccurate, participants may misunderstand questions or provide socially desirable answers, response rates may be low, and surveys usually provide less detail than interviews or observations.
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