6 - 9/6/2010 Methodological Considerations 6 Concepts...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
9/6/2010 Methodological Considerations 6 Concepts Quality of Data Reliability o Consistency, Dependable, or Stable o The extent to which observations can be replicated Measurement error o True Score-Error= Observed Score Unreliable Data o E.g. Life satisfaction and the weather “How satisfied are you with your life?” Experiment Suggests that life satisfaction is not reliable Conditions that Undermine Reliability o Low precision of measurement o Contextual Factors The state of the participant, experimenter, or environment Reliable Data o Measurements at different time points will yield similar results E.g. Height, Eye Color, Political Beliefs, Religious Beliefs How to improve Reliability o Be as precise as possible o Measure something that is important to the person Less likely influenced by contextual variables o Aggregation Average over multiple assessments Validity o Are we measuring what we hoped to measure? o
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

6 - 9/6/2010 Methodological Considerations 6 Concepts...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online