PSY420 Week 2 Class Notes
PSY420 Week 2 Class Notes PSY420
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This 1 page Class Notes was uploaded by Samantha Bishop on Thursday September 1, 2016. The Class Notes belongs to PSY420 at Lenoir-Rhyne University taught by Dr. Gordon Cappelletty in Fall 2016. Since its upload, it has received 4 views. For similar materials see Psychological Assessment in Psychology at Lenoir-Rhyne University.
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Date Created: 09/01/16
PSY 420 Week Two Class Notes 8/30/16 Levels of Measurement Nominal grouping (lowest level) Ordinal rank order and ordinal groupings Interval amount Ratio true 0 indicates the absence of ______ (highest level) 1. Concepts just an idea, has no meaning until we define it …i.e. intelligence, aggression, depression 2. Construct when a concept gets defined …concepts+constructs=theory 3. Measure operations of a construct …construct+measure=practice …i.e. frequency and intensity but we CANNOT measure both at the same time Dichotomous Item (2 choices) YES or NO TRUE or FALSE Trichotomous Item (3 choices) YES, MAYBE, NO Likert Item (4 or more choices) NEVER, SOMETIMES, OFTEN, ALMOST ALWAYS STRONGLY AGREE, AGREE, NEUTRAL, DISAGREE, SRONGLY DISAGREE Summative Linear Scale Modeling add up worth the same score type