Learn Before
Data File
A data file is a structured digital format used for statistical analysis, typically created in a spreadsheet program (like Microsoft Excel) or specialized statistical software (like SPSS). In the most common layout, each row represents a single participant, and each column represents a specific variable, with the variable name placed at the top of the column.
0
1
Tags
KPU
Research Methods in Psychology - 4th American Edition @ KPU
Related
Data Preparation Process
Securing Raw Data
Checking Raw Data
Data File
What does the term 'raw data' refer to in the context of psychological research?
After a researcher has collected written observational notes and transcribed them into an organized, coded digital file, that newly coded file is still considered the study's raw data.
In psychological research, raw data takes various forms depending on the study's design. Match each research method with the specific item that serves as its raw data before any organization or analysis occurs.
A researcher is conducting an observational study on social interaction in a classroom. Arrange the following items in order, starting with the form that represents the most raw data and ending with the most processed form of information.
Which of the following is an example of 'raw data' in a psychological research study?
A researcher has just finished recording 20 hours of clinical interviews on digital video files. At this point, before any transcripts are made or specific behaviors are categorized, how should this information be classified?
In a formal critique of a psychology study's transparency, a reviewer discovers that the researcher only kept spreadsheets of organized scores and deleted the initial, uncleaned participant responses. The reviewer concludes that the researcher failed to preserve the _____ data, making it impossible to verify the accuracy of the coding and cleaning process.
In a study on cognitive aging, a computer program outputs a text file containing the exact millisecond timestamps of every keypress. If the researcher uses a script to remove outlier trials where participants took longer than 10 seconds, this filtered dataset is still considered the study's raw data.
Analyze the following research scenarios and match the state of the data with the description that represents its current form in the research workflow.
A researcher claims their study's data file is 'raw' because no inferential statistics have been run on it, even though they have already removed outliers and imputed missing values. When evaluating this claim, a methodologist would correct the researcher, pointing out that because cleaning has occurred, the dataset is no longer _____ data.
Learn After
Entering Categorical Variables in Data Files
Handling Multiple-Response Measures in Data Files
When organizing information in a data file for statistical analysis, what is the most common layout for rows and columns?
Match each part of a research data file with the specific information it organizes in a psychological study.
A researcher is organizing a data file for a study with 40 participants and two variables: 'Social Support' and 'Stress Level.' To follow the standard layout for statistical software, the researcher should structure the spreadsheet so that there are 2 rows (one for each variable) and 40 columns (one for each participant).
A researcher is auditing a spreadsheet and realizes it is organized incorrectly for statistical software: the participants are currently listed in the columns, and the variables (such as 'Self-Esteem' and 'Age') are listed in the rows. Sequence the logical steps required to analyze and correct this data file structure.
In psychological research, what is the most likely consequence of organizing a data file in a non-standard way, such as listing participants in columns rather than rows?
Besides general spreadsheet programs like Microsoft Excel, researchers commonly use specialized statistical software such as _____ to create and manage data files.
When evaluating the structural validity of a spreadsheet for use in statistical software, a researcher concludes the layout is 'invalid' if it fails to ensure that each horizontal row represents a single _____.
A researcher collects age, anxiety score, and GPA for 50 participants and enters all the data into a spreadsheet. She later decides to also measure 'Sleep Quality' for each participant. To add this new variable using the standard data file format, she should insert a new row below the last participant's data.
A research team is auditing four spreadsheet features to determine whether each one follows or violates the standard data file format used in statistical software such as SPSS or Excel. Match each spreadsheet feature with the correct analysis of its validity.
A research methods student is evaluating a colleague's spreadsheet to judge whether it is structured correctly for import into SPSS. Arrange the following evaluation steps in the order that best supports a sound, evidence-based conclusion about the file's quality.
Define what a data file is in the context of psychological research and describe its standard digital layout. In your answer, name the common programs used to create these files, and explain how rows, columns, and variable names are organized.
Diagnose the error in Clara's spreadsheet layout based on standard data file conventions. Explain why this layout will cause issues when importing into statistical software, and describe how she should restructure her spreadsheet to make it a valid data file.
You are setting up a data file in Microsoft Excel for a new research study that measures three variables (Age, Group, and Score) across 50 participants. Describe the exact layout and dimensions (number of rows and columns) of the resulting spreadsheet to ensure it is structured correctly for statistical analysis.