Week Eight Flashcards

Questionnaire design, measurement and scaling

1
Q

An SPSS analysis of data includes:

A
  1. Associations between variables

2. Differences between groups of participants

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2
Q

SPSS can help you:

A

Analyse the differences and associations between the data to help you segment.

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3
Q

What are the three aims in designing a questionnaire?

A
  1. translate the info needed (MRP) into a set of questions that the respondents can answer.
  2. To encourage the respondent to become involved in the interview, to cooperate and to complete the interview.
  3. To minimise response error.
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4
Q

What are the 10 stages of the questionnaire design process? (I doubt we will need to know this process but it’s good to know what’s included).

A
  1. Specify what info will be sought.
  2. Determine type of question and method of administration.
  3. Determine content of individual questions.
  4. Determine form of response to each question.
  5. Determine working of each question.
  6. Determine sequence of questions.
  7. Determine physical characteristics of questionnaire
  8. re-examine steps 1-7, revise if necessary.
  9. pre-test questionnaire, review if necessary
  10. implement the survey.
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5
Q

What are some ways to increase willingness to get respondents to complete your survey?

A
  • have an effective cover letter.
  • offer a reward/incentive for completion.
  • have interesting questions.
  • follow-up
  • advanced notification
  • survey sponsorship from a credible org.
  • gain confidence early
  • save personal questions for the end
  • leave the back cover blank.
  • ask if they have any extra comments.
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6
Q

What is a dichotomous question?

A

Only gives two response alternatives. Eg. Yes or no. Male or female. $50,000.

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7
Q

What are the kinds of questions found in a survey?

A
  • Dichotomous
  • Multiple choice
  • ## Scale Eg. 5 choices on the continuum
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8
Q

What is a leading question?

A

A question which gives the respondent a clue as to what the answer should be. Eg. Don’t you think smoking is anti-social? Avoid this.

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9
Q

What is a double-barrel question?

A

A single question which attempts to cover two issues. Such as questions cab be confusing to respondents and result in ambiguous responses. Eg. Have you seen an improvement in the quality of this hotel’s food and accommodation? Avoid this.

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10
Q

What is a filter question?

A

An initial question which screens potential respondents to ensure that they meet the requirements of the sample. Eg. Are you likely to take a short break holiday in the next year?

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11
Q

What are branching questions?

A

They guide an interviewer through a survey by directing the interviewer to different spots on the questionnaire depending on the answers given. Eg. If YES, go to Q4.

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12
Q

What’s the reasons for pre-testing a questionnaire?

A

Identifies and eliminates potential problems with:

  • question content
  • wording
  • sequence
  • question difficulty, instruction
  • time it takes
  • mistakes
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13
Q

What is nominal in a questionnaire?

A
  • It is a number.
  • We are allocating numbers to the answers. Eg. gender, occupation, postcode, buy - did not buy.
  • Measures of nominal include frequencies and mode.
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14
Q

What is ordinal in a questionnaire?

A
  • Allocating a number but also ranking it but we don’t know how far between they are.
  • It is an order, but not distance between. Eg. Education level, preferences for brands, social class, user levels.
  • Measures of ordinal include frequencies, mode, median, and range.
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15
Q

What is interval in a questionnaire?

A
  • Equal intervals between values, zero point is arbitrary. Eg. Zero celsius is not true zero (-273), grade point average, attitudes, and performance ratings.
  • Comparisons of intervals.
  • Common arithmetic operations.
  • Measures of interval include mean, median, variance, and standard deviation.
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16
Q

What is ratio in a questionnaire?

A
  • Equal intervals with a natural zero. Eg. Weight and distance, Units sold, number of purchasers, height.
  • Comparison of absolutes.
  • All arithmetic operations.
  • Measures of Ratio include mean, median, variance, and standard deviation.
17
Q

What is an attribute?

A

A single characteristic or feature that pertains to an object, person or issue. Eg. What does a ‘good cafe’ feature? (Construct is ‘good cafe’. What is it that people look at when deciding this?).

18
Q

What is a composite measure?

A

A composite measure (index) of several variables to measure a single concept/construct.

19
Q

What is conation?

A
  • Predisposition to action.
  • Intentions to act.
  • Behavioural expectations.
  • It measures peoples intention to purchase.
20
Q

Cognition =

A

Awareness

21
Q

Affect =

A

Liking

22
Q

Conation =

A

Intent to buy

23
Q

What is paired comparison scaling?

A

A participant is presented with two objects (Eg. new coke and original coke) and asked to select one accordingly to some criterion.

24
Q

What is comparative rating scales?

A

Compares one concept to another. Eg. In comparison to the free-range eggs that you have previously bought from Coles, rate the quality of the eggs from Woolworths using a rating scale…

25
Q

What is rank order scaling?

A

A participant is presented with several objects simultaneously and asked to rank them. E.g Place a 1 beside your most preferred soft drink; 2…etc
It is used to measure preferences for brands and attributes.

26
Q

What is constant sum scaling?

A
  • A participant is allocated a constant sum of units as points among alternatives presented.
  • Average is taken from all respondents
  • Ordinal.
27
Q

What is non-comparative scaling?

A

Continuous rating scale where respondents rate objects by placing a mark at the appropriate position on a line that runs from one extreme of the criterion variable to the other.
This method is most common.

28
Q

What are some examples of the non-comparative scaling methods?

A
  • Likert scales
  • semantic differential scale
  • stapel scale.
29
Q

The Likert Scale is most commonly used for:

A

Cognition. Eg. I would like to find out your attitudes toward this model of phone…

30
Q

What are semantic differential scales?

A
  • Seven point rating scale with end points associated with bipolar labels.
  • Used in comparing brand, product and company images, particularly affective component of attitude.
    Eg. Please evaluate the quality of Australian designed cars by placing an X on the blank that best indicates your feelings:
    Unimaginative _ _ _ _ _ _ _ Creative.
    Unattractive _ _ _ _ _ _ _ Attractive.
31
Q

What is the Stapel scale?

A
  • Not as common as other methods.
  • A little complicated.
  • 10 categories without a neutral point.
    Eg. The website is creative
    -5 -4 -3 -2 -1 +1 +2 +3 +4 +5
32
Q

What are picture rating scales good for?

A
  • Children

- Low IQ

33
Q

What is the difference between a forced scale and a non-forced scale?

A

Non-forced scale has a neutral point for respondents to choose if they want.

34
Q

What is an unbalanced scale?

A

The choices are not evenly balanced. Eg. Unbalanced choices include:
Unimportant - Important - Very important - Critical.

35
Q

What is validity?

A

The ability of an instrument to measure what it is intended to measure. Eg. to measure distance would you use a ruler or a length of string?
Does it truly reflect what is being measured?

36
Q

What is content validity?

A

Content validity involves a subjective yet systematic assessment as to how well the scale measures the topic of interest.

37
Q

What is construct validity?

A

Construct validity directly concerns the underlying theories and past research that supports the inclusion of the various items in the scale.

38
Q

What is convergent validity?

A

Convergent validity is a measure o the extent to which the results from a scale correlate with those from other scales or measures of the same topic/construct.

39
Q

What is discriminant validity?

A

Discriminant validity assesses the extent to which the items used to measure a concept do not measure other concepts.