Dissertation Related Data All dissertations involve data How

Dissertation Related Data • All dissertations involve data – How obtained, analyzed, reported • Many of following slides come from – Practical Research by Leedy and Ormrod • Form of data depends on the type of dissertation study

Research Cycle Practical Research by Leedy and Ormrod

Research Process Practical Research by Leedy and Ormrod

Data Analysis Spiral Practical Research by Leedy and Ormrod

Research Report Schema Practical Research by Leedy and Ormrod

Data versus Truth Practical Research by Leedy and Ormrod

Primary and Secondary Data • Data are not “Absolute Truth” • Primary data – Data closest to “Absolute Truth” – The most valid and illuminating data • Secondary data – Derived from primary data – The form of data usually used by the researcher in attempting to discover the truth

Primary and Secondary Data Fingerprint Example • “Absolute Truth” = true identity of person • Primary data – Fingerprint image, possibly only partial or distorted • Secondary data – Features (minutiae points) taken from the image – The form of data usually used by the researcher to discover the truth, in this case the person’s identity

Data Type Depends on Research Area Type of Data Machine Learning, Pattern Recognition, Data Mining, Artificial Intelligence Visual Images, Speech Waveforms, Medical Data, Big Data, etc. Historical Research Historical Data Qualitative Research Surveys, Interviews