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 subjects over an extended period to observe changes over time. Cross-sectional research compares different subjects or groups at one point in time.
Explain the difference between qualitative and quantitative data, and give one example of each.
Qualitative data describe qualities or characteristics, such as a liquid being light blue. Quantitative data are numerical measurements or counts, such as a leaf measuring 9 cm long.
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 an efficient and relatively inexpensive way to collect information from many people. They can also gather information about opinions, attitudes, and experiences that researchers cannot directly observe. However, survey responses may be inaccurate or biased, some people may not respond, and fixed questions may not provide enough detail or context.
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