PSY 250 Lecture Notes - Lecture 8: Dependent And Independent Variables, Internal Consistency, Demand Characteristics
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____ refers to assigning scores to individuals based on some characteristic. With this type of scale, 0 indicates an absence of the variable being measured. With ordinal scales, we can assume that the intervals between items is known. Susan sits outside and watches interactions among students. Reliability refers to ___________ and validity refers to __________. Not a strong argument that a measure is valid, but it"s a start. Depression scale: sometimes i feel sad - there are sometimes items that don"t belong. It"s the least scientific of the validities, not assigned with statistics, just you as the research evaluating it. You can annoy your participants if you don"t have face value items. Still not a strong argument that a measure is valid, but it helps. Example: core self-evaluation- four different factors (generalized self-efficacy, locus of control, self-esteem, emotional stability) (more individualistic) Good predictor of job performance, success, but need all four things.
