Reliability

Reliability - Reliability: the likelihood of obtaining...

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Reliability: the likelihood of obtaining consistent results using the same measure
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o Is it consistent/reliable Validity: the extent to which an instrument measures what it is intended to  measure o Is it valid/true Causality: notion that a change in one factor results in a corresponding  change in another Correlation: simultaneous variation in two variables Spurious relationship: coincidental statistical correlation between two  variables shown to be caused by some third variable Wheel of Science When researcher do research, where does one begin? o 1. Start with theory o 2. Start in the field collecting data o Deduction: top down (theory, create hypo., go out to field) o Induction: bottom up (reverse from above) Methods of data collection Experiments: carefully controlled artificial situation that allows researcher to  isolate hypothesized causes and measure their affects precisely
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This note was uploaded on 09/29/2011 for the course SOC 1 taught by Professor Mindyromero during the Summer '06 term at UC Davis.

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Reliability - Reliability: the likelihood of obtaining...

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