Gender of respondent
1 = male
2 = female
99 = missing

Age of respondent
1 = 18-20
2 = 21-30
3 = 31-40
4 = 41-50
5 = 51-60
6 = 61-70
7 = 70+
99 = missing

Academic status
1 = 1st year UG
2 = 2nd year UG
3 = 3rd year UG
4 = PG
5 = academic staff
6 = research staff
7 = admin staff
99 = missing

IR experience
1 = none
2 = some
3 = lots
99 = missing

Task defined
2 = weakly
3 = neutral
4 = clearly
99 = missing

Task purpose
2 = a few avenues
3 = neutral
4 = for a purpose
99 = missing

Task knowledge
2 = a little knowledge
3 = neutral
4 = some knowledge
99 = missing

Task probability
2 = low probability
3 = neutral
4 = some probability
99 = missing

Searched for known item/s
1 = yes
2 = no
99 = missing

Test Search Engine
1 = NorthernLight
2 = Excite
3 = HotBot

Time taken in minutes
1 = 1-4mins
2 = 5-9mins
3 = 10-14mins
4 = 15-19mins
5 = 20-24mins
6 = 25-29mins
7 = 30-34mins
8 = 35-39mins
9 = 55-59mins
10 = 60-65mins
99 = missing

Number of iterations
1 = 1
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = 7
99 = missing

Number of query terms in iteration 1
1 = one term
2 = two terms
3 = three terms
4 = four terms
5 = five terms
6 = six terms
7 = seven terms
8 = eight terms
99 = missing

Number of query terms in iteration 2
1 = one term
2 = two terms
3 = three terms
4 = four terms
5 = five terms
6 = six terms
7 = seven terms
8 = eight terms
88 = n/a
99 = missing

Number of query terms in iteration 3
1 = one term
2 = two terms
3 = three terms
4 = four terms
5 = five terms
6 = six terms
7 = seven terms
8 = eight terms
12 = twelve terms
88 = n/a
99 = missing

Phrase used "***" in iteration 2
1 = yes
2 = no
88 = n/a
99 = missing

SE/s normally used
1 = used
2 = not used
99 = missing

Satisfaction with relevance
2 = dissatisfied
3 = neutral
4 = satisfied
99 = missing

Rate value of participation
2 = worth somewhat more than time taken
3 = worth about as much as time taken
4 = worth less than time taken
99 = missing

Resolution of problem
2 = very little contributed
3 = neutral
4 = some contribution
99 = missing

Value of results as a whole
2 = low value
3 = neutral
4 = valuable
99 = missing

Overall quality of of results
2 = poor quality
3 = neutral
4 = good quality
99 = missing

Importance of ability to change output
2 = unimportant
3 = neutral
4 = important
99 = missing

Ease of understanding item/s from hitlist
2 = hard
3 = neutral
4 = easy
99 = missing

How helpful was Help
2 = unhelpful
3 = neutral
4 = helpful
88 = n/a
99 = missing

Effectiveness
2 = ineffective
3 = neutral
4 = effective
99 = missing

Efficiency
2 = inefficient
3 = neutral
4 = efficient
99 = missing

2 = useless
3 = neutral
4 = useful
99 = missing

2 = uninteractive
3 = neutral
4 = interactive
99 = missing