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Define the data preparation process and list the three main categories of participant variables that must be coded and combined, as well as the types of problematic responses that need to be identified and handled before statistical analysis.
Question: Define the data preparation process and list the three main categories of participant variables that must be coded and combined, as well as the types of problematic responses that need to be identified and handled before statistical analysis.
Sample answer: The data preparation process is the critical step of transforming raw, unanalyzed data into an organized format ready for statistical analysis. It involves coding and combining demographics, independent and dependent variables, and manipulation checks for each participant, while also identifying and handling missing, incorrect, or suspicious responses.
Key points:
- Transforming raw, unanalyzed data into an organized format ready for statistical analysis.
- Coding and combining demographics, independent/dependent variables, and manipulation checks.
- Identifying and handling missing, incorrect, or suspicious responses.
Rubric: Full credit is given if the student defines the process as transforming raw data into an organized format for statistical analysis, identifies demographics, independent/dependent variables, and manipulation checks as the variables to be coded/combined, and lists missing, incorrect, or suspicious responses as the problematic responses to handle.
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Research Methods in Psychology - 4th American Edition @ KPU
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Define the data preparation process and list the three main categories of participant variables that must be coded and combined, as well as the types of problematic responses that need to be identified and handled before statistical analysis.
Using your understanding of the data preparation process, explain what categories of variables the researcher must code and combine, and diagnose what types of problematic responses are present in this dataset.
Imagine you have collected raw survey sheets from a psychology experiment that measure age, gender, levels of stress, and a question testing if participants read the prompt. Write a brief response of one to three sentences describing the specific actions you would take to complete the data preparation process for this dataset.