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Lecture 9

PSYC 2001 Lecture Notes - Lecture 9: Bacon, Effect Size, Statistical Hypothesis Testing

3 pages100 viewsFall 2017

Course Code
PSYC 2001
Deanna Whelan

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F9- Surveys and Observations
Asking people about themselves
Understanding the relationship between variables
Complement to experimental research findings
Can now be experimental
Technology has made them most likely offered on computers instead of paper
We can now easily randomly assign certain participants to get different videos or pictures.
They are often used as a starting point in research
Constructing Questions to ask
Define the research objectives
o Attitudes and beliefs
o Facts and demographics
o Behaviours
Problems with question wording
o Unfamiliar technical terminology- whe soeoe does’t uderstad soethig they
just pick a random answer
o Vague or imprecise terms- simplicity is key
o Ungrammatical sentence structure- try to siplify, o ad keep it to short and precise
o Phrasing that overloads working memory- instead of a long run on sentence, keep
phrasing short
o Embedding the question with misleading information- keep your opinion out of it
Ensure simplicity and avoid:
o Double barrelled questions- ad
o Loaded questions- keep you opiio out of it hat do you thik of the stupid desk
o Negative wording- or double negatives
o Yay saying or nay saying- Yay saying is saying yes to everything. To prevent this, flip
questions : Do you loe ao ad late i the uestios Do you hate ao
Responses to questions
Closed ended vs opened ended questions
o Closed ended questions are when you choose from a list of words. These are
quantitative and easily converted to scores
o Open ended questions are when you get to provide your own answers. These are
qualitative and not easily converted to scores
Rating Scales
1. Likert (pronounced Lick-ert)
The most common rating scale. There are two different kinds, a five-point scale and a
seven point scale. They can either have each point labelled or just have the two
extremes labelled and the rest open to interpretation. The scales range from Very
positive attitude to Very negative attitude on whatever you are measuring.
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