Rank ordering of events with equal intervals and a true zero point Physical

Rank ordering of events with equal intervals and a

This preview shows page 4 - 5 out of 5 pages.

Rank ordering of events with equal intervals and a true zero point Physical measurements Someone who weighs 100lbs weights twice as much as someone who is 200lbs Scales Mood - interval Political - nominal 4-star system of rating restaurants - ordinal Reaction time - ratio NFL Jersey numbers - nominal IQ - interval Sizes of t-shirts - ordinal Multiple Methods (Converging Operations) Using multiple measures will increase reliability Multiple methods You are assessing the behavior and the relationship from multiple per- spective or measures No method is perfect or definitive If multiple studies with different methods yield similar conclusions we can feel more confident about the relationship Using multiple methods in a study will give you greater confidence about the relationship you are seeing Allows us to get the best understanding of the phenomena we are inter- ested in Example Hypothesis: anxiety is bad for health IV: anxiety Ways to measure anxiety
Image of page 4
Naturalistic observations: look at behaviors related to anxiety Individual differences on anxiety scale People with GAD Manipulating anxiety: give a speech DV: Health Ways to measure health Self-report: different types of scales and questionnaires, e.g., a symptom checklist Well-being and psychological health White blood cell count, bp, heart rate, etc (physical measures) Behavioral reports (doctor visits) What are the conceptual variables and how to test them? 1. Compared to negative mood, a positive mood will facilitate memory for social in- formation but not non-social information IV: mood, social; DV: memory Memory task 2. Alcohol will impair functioning in the frontal lobes as well as lead to greater levels of disinhibition compared to control IV: alcohol consumption; DV: brain activity, disinhibition Brain scan, see if they would do something they wouldn't normally do or reaction time measures 3. Maximizers will be more happy with small purchases than satisficers, but the op- posite will hold true for large purchases IV: maximizer vs satisficers; DV: small vs large purchase Field study, ask people how happy they are with their purchases 4. Under the age of 2.5 years, children will be less able to translate symbols into real life information, at about age 2.5-3 years, they will begin to learn to use symbols effectively IV: age; DV: use of symbols Look at a bunch of 2 year olds and 3 year old, or follow a kid from 2 to 3. Test their ability to translate symbols
Image of page 5

You've reached the end of your free preview.

Want to read all 5 pages?

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture