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The Likert Format
• is a type of psychometric scale
frequently used in psychology
questionnaires. It was developed by and
...
• A scale using a Likert format consists of a
series of items.

Five alternatives offered:
Strongly disagree
Disagree
Neut...
• In some applications, six options are used to
avoid allowing the respondent to be neutral.

The six options might be:
St...
How can you analyse data from a
Likert Scale?
• Summarize using a median or a mode

(not a mean); the mode is probably the...
The Category Format
• Like Likert, but with MANY more
categories
• Measures in which people rate on a
10-point item scale....
• Effect of Context
– The numbers we assign are found to be
affected by context (Parducci, 1968).
– There is a tendency to...
Checklists and Q-sorts
• One format common in
personality measurement is the
adjective checklist (Gough,
1960).
• In this ...
Introduced by William Stephenson
in 1935.
•
The Q – sort can be used to describe
oneself or to provide ratings of others
(...
Test Format
Test Format
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Test Format

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Psychological Tests format specifically, Likert Scale, Category Scale and Checklists and Q-sorts.

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Test Format

  1. 1. The Likert Format • is a type of psychometric scale frequently used in psychology questionnaires. It was developed by and named after organizational psychologist Rensis Likert. • Requires that a respondent indicate a degree of agreement with a particular attitudinal question.
  2. 2. • A scale using a Likert format consists of a series of items. Five alternatives offered: Strongly disagree Disagree Neutral Agree Strongly agree The Likert Format
  3. 3. • In some applications, six options are used to avoid allowing the respondent to be neutral. The six options might be: Strongly disagree Moderately disagree Mildly disagree Mildly agree Moderately agree Strongly agree The Likert Format
  4. 4. How can you analyse data from a Likert Scale? • Summarize using a median or a mode (not a mean); the mode is probably the most suitable for easy interpretation. • Display the distribution of observations in a bar chart (it can’t be a histogram, because the data is not continuous).
  5. 5. The Category Format • Like Likert, but with MANY more categories • Measures in which people rate on a 10-point item scale. • Consists of several alternative choices on a continuum for participants to rate themselves on attitude or personality.
  6. 6. • Effect of Context – The numbers we assign are found to be affected by context (Parducci, 1968). – There is a tendency to spread responses evenly across 10 categories (Stevens, 1966) Implications: clearly define endpoints of the scale; use extreme caution in comparing responses outside of the current study. Category Format
  7. 7. Checklists and Q-sorts • One format common in personality measurement is the adjective checklist (Gough, 1960). • In this method, a subject is given a long list of adjectives and asked to indicate whether each one is characteristic of himself or herself.
  8. 8. Introduced by William Stephenson in 1935. • The Q – sort can be used to describe oneself or to provide ratings of others (Stephenson, 1953). • Give subject a pile of numbered “cards” & have them sort them into piles. PILES represent graded degrees of description (most descriptive to least descriptive). • Q- sorts

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