17 Questions
What type of data is collected by individuals or agencies for purposes other than the specific research study being conducted?
Secondary data
In the data analysis process, what is the purpose of formal data analysis?
To select and apply statistical methods
What type of data is collected by the investigator conducting the research study?
Primary data
Which stage of the data analysis process involves summarizing the data graphically and numerically?
Preliminary analysis
What kind of data deals with descriptions rather than numbers or quantities?
Qualitative data
Where can existing databases and record reviews be categorized in terms of data sources?
Secondary data
What is the first step in the data analysis process described in the text?
Understanding the nature of the research problem
Why is it important to have a clear direction before gathering data?
To ensure the data collected is relevant and can be used to answer the research questions
In the example of studying the relationship between weight of football players and position played, what are the two variables the researcher would need to collect data on?
Player weight and position played
What does the text suggest is important when defining the variables to be studied?
Carefully defining the variables and developing appropriate methods for determining their values
When should a researcher decide to use existing (secondary) data versus collecting new (primary) data?
Collect new data if the existing data is not reliable or relevant to the research questions
What is the key purpose of the data collection step in the data analysis process?
To answer the research questions using the collected data
What is the entire collection of individuals or objects about which information is desired called?
The population of interest
Which of the following is a subset of the population, selected for study in some prescribed manner?
The sample
What is the first step in the data analysis process according to the text?
Understanding the nature of the problem
What is the fourth step in the data analysis process according to the text?
Data summarization and preliminary analysis
What does the text state is critical in the data analysis process?
Data collection and analysis
Learn about the importance of understanding the research problem and setting clear goals before gathering data. Explore how to decide what to measure and how to measure it effectively in data analysis processes.
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