Figure 1

Search motivation and information need type_
| Motivation | Correlations (p-value) |
|---|---|
| Curiosity | 0.038 < 0.05 |
| Time killing | 0.118 |
| Knowledge | 0.020 < 0.05 |
| Life service | 0.000 p < 0.01 |
| Social relations | 0.358 |
| Social avoidance | 0.910 |
| Others | 0.354 |
Matrix of search motivations_
| Information | Curiosity | Time killing | Knowledge | Life service | Social relations | Others | Total |
|---|---|---|---|---|---|---|---|
| Curiosity | 79 (17.56%) | 38 | 39 | 14 | 3 | 4 | 177 |
| Time killing | 8.44% | 31(6.89%) | 22 | 8 | 2 | 5 | 106 |
| Knowledge | 8.67% | 4.89% | 88(19.56%) | 16 | 1 | 7 | 173 |
| Life service | 3.11% | 1.78% | 3.56% | 95 (21.11%) | - | 6 | 137 |
| Social relations | 0.67% | 0.44% | 0.22% | - | 10(2.22%) | 1 | 17 |
| Others | 0.89% | 1.11% | 1.56% | 1.33% | 0.22% | 19(4.22%) | 40 |
| Total | 39.33% | 23.56% | 38.44% | 30.44% | 3.78% | 8.89% | 650 (144.00%) |
Top two relationships between time and query frequency_
| Time | Query frequency (%) |
|---|---|
| 18:00–24:00 | 44.2 |
| 12:00–18:00 | 40.0 |
Search motivation and emotion change_
| Motivation | Correlations (p-value) |
|---|---|
| Curiosity | 0.444 |
| Time killing | 0.071 |
| Knowledge | 0.075 |
| Life service | 0.121 |
| Social relations | 0.538 |
| Social avoidance | 0.847 |
| Others | 0.000 p < 0.01 |
Top three relationships between information need and activity_
| Activity | Top 1 (%) | Top 2 (%) | Top 3 (%) |
|---|---|---|---|
| On break | Culture & art (24.4) | Social science (18.1) | Recreation (8.1) |
| Working | Culture & art (40.0) | Social science (30.0) | Education (15.0) |
| Studying | Culture & art (23.1) | Natural science (15.7) | Social science (13.9) |
| Shopping | Recreation (57.1) | News & event (14.3) | Social science (14.3) |
| Traveling | Recreation (28.6) | Culture & art (21.4) | Social science (14.3) |
| Others | Culture & art (22.6) | Social science (16.1) | Natural science (12.9) |
Personal attributes and social environment_
| Context | Personal attributes (p-value) | Social environment (p-value) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Gender | Age | Grade | Major | Activity | Relations | Importance | Portal | ||
| Personal | Gender | - | - | - | - | 0.000 p < 0.01 | 0.138 | 0.116 | P |
| attributes | Age | - | - | - | - | 0.357 | 0.231 | 0.573 | 0.717 |
| Grade | - | - | - | - | 0.399 | 0.786 | 0.396 | 0.202 | |
| Major | - | - | - | - | 0.610 | 0.577 | 0.150 | 0.598 | |
| Social | Activity | 0.000 p < 0.01 | 0.357 | 0.399 | 0.610 | - | 0.000 p < 0.01 | 0.000 p < 0.01 | - |
| environment | Relations | 0.138 | 0.231 | 0.786 | 0.577 | 0.000 p < 0.01 | - | 0.633 | 0.171 |
| Importance | 0.116 | 0.573 | 0.396 | 0.150 | 0.000 p < 0.01 | 0.633 | - | 0.573 | |
| Portal | P | 0.717 | 0.202 | 0.598 | - | 0.171 | 0.573 | - | |
Place and relations_
| Place | Relations (p-value) |
|---|---|
| At home or dormitory | 0.001 p < 0.01 |
| In workplace | 0.000 p < 0.01 |
| In study place | 0.000 p < 0.01 |
| In public | 0.037 < 0.05 |
| On the way | 0.001 p < 0.01 |
| On vacation | 0.000 p < 0.01 |
Physical environment and social environment_
| Context | Physical environment (p-value) | Soial environment (p-value) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Place | Weather | Device | Activity | Relations | Importance | Portal | ||
| Physical | Time | - | - | 0.736 | - | 0.593 | 0.586 | 0.206 | - |
| environment | Place | - | - | 0.415 | 0.866 | 0.000 p < 0.01 | A | - | - |
| Weather | 0.736 | 0.415 | - | 0.593 | 0.559 | 0.374 | 0.412 | - | |
| Device | - | 0.866 | 0.593 | - | 0.137 | 0.037 | 0.061 | 0.186 | |
| Social | Activity | 0.593 | 0.000** | 0.559 | 0.137 | - | 0.000 p < 0.01 | 0.000 p < 0.01 | - |
| environment | Relations | 0.586 | A | 0.374 | 0.347 | 0.000 p < 0.01 | - | 0.633 | 0.171 |
| Importance | 0.206 | - | 0.412 | 0.631 | 0.000 p < 0.01 | 0.633 | - | 0.573 | |
| Portal | - | - | - | 0.186 | - | 0.171 | 0.573 | - | |
Top three relationships between information need and gender_
| Gender | Top 1 (%) | Top 2 (%) | Top 3 (%) |
|---|---|---|---|
| Man | Culture & art (23.0) | Social science (14.1) | Natural science (14.1) |
| Woman | Culture & art (24.8) | Social science (18.7) | Recreation (10.2) |
Relationships between gender and activity_
| Activity | ||||
|---|---|---|---|---|
| Top 1 (%) | Top 2 (%) | Top 3 (%) | ||
| Gender | Man | On break (55.6) | Studying (37.0) | Others (4.4) |
| Woman | On break (61.9) | Studying (18.4) | Others (7.9) | |
Information need and search portal_
| Search portal | Correlations (p-value) |
|---|---|
| Browser | 0.000 p < 0.01 |
| Video software | 0.007 p < 0.01 |
| Music software | 0.000 p < 0.01 |
| Transportation software | 0.000 p < 0.01 |
| Social software | 0.000 p < 0.01 |
| Shopping software | 0.000 p < 0.01 |
| Application store | 0.000 p < 0.01 |
| Education software | 0.023 < 0.05 |
Emotion change and search portal_
| Search portal | Correlations (p-value) |
|---|---|
| Browser | 0.032 < 0.05 |
| Video software | 0.198 |
| Music software | 0.321 |
| Transportation software | 0.740 |
| Social software | 0.021 < 0.05 |
| Shopping software | 0.586 |
| Application store | 0.390 |
| Education software | 0.052 |
Dimensions of participants’ mobile search context_
| Category | Dimension | Definition |
|---|---|---|
| Personal attributes of the | Gender | Sex (male or female) |
| participant | Age | Participant age |
| Grade | Freshman, sophomore, junior or senior | |
| Major | Academic field | |
| Physical environment of the | Time | Year-month-day-hour-minute-second |
| participant | Place | Indoor or outdoor; specific location |
| Weather | Summer, rainy or sunny | |
| Device | Phone type and screen size | |
| Social environment of the | Activity | Event involved while searching: resting, working, |
| participant | studying, shopping, traveling, etc. | |
| Relations | Accompanied or alone | |
| Importance | Whether the search task is urgent | |
| Portal | Application used |
Personal attributes and physical environment_
| Context | Personal attributes (p-value) | Physical environment (p-value) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Gender | Age | Grade | Major | Time | Place | Weather | Device | ||
| Personal | Gender | - | - | - | - | 0.673 | P | - | - |
| attributes | Age | - | - | - | - | 0.347 | 0.748 | - | - |
| Grade | - | - | - | - | 0.284 | 0.345 | - | - | |
| Major | - | - | - | - | 0.529 | 0.653 | - | - | |
| Physcial | Time | 0.673 | 0.347 | 0.284 | 0.529 | - | 0.354 | 0.736 | - |
| environment | Place | P | 0.748 | 0.345 | 0.653 | 0.354 | - | 0.415 | 0.866 |
| Weather | - | - | - | - | 0.736 | 0.415 | - | 0.593 | |
| Device | - | - | - | - | - | 0.866 | 0.593 | - | |
Gender and search place_
| At home or dormitory (p-value) | In workplace (p-value) | In study place (p-value) | In public (p-value) | On the way (p-value | On vacation (p-value) | |
|---|---|---|---|---|---|---|
| Gender | 0.967 | 0.912 | 0.000 p < 0.01. | 0.006 p < 0.01. | 0.008 p < 0.01. | 0.017 < 0.05 |
Relationships between emotion change and task importance_
| Task importance | Better (%) | Worse (%) | Neither (%) |
|---|---|---|---|
| Important | 45.6 | 17.5 | 36.8 |
| Neutral | 33.8 | 7.8 | 58.3 |
| Unimportant | 20.5 | 5.3 | 74.2 |
Categories of information need types_
| Category | Examples |
|---|---|
| Natural science | Chemistry, physics, astronomy |
| Social science | Economics, history, celebrities |
| Culture & art | Museum, exhibition, performing arts, photography |
| City & architecture | Chicago, Wuhan, Roman catholic cathedral |
| Education | School, courses, studying abroad |
| Computer skills | Software and hardware, operating skills |
| News & events | Social news, political news, gossips |
| Medical treatment & health | Hospitals, diseases, medicare |
| Recreation | Music and videos, restaurants, accommodation |
| Transportation | Roadmap, train and airplane routes |
| Social networking | QQ, WeChat, discuz!, net community |
| Daily shopping | Clothing, books, food, electronics |
| Others | Religions, weather, sports |
Search query and context_
| Category | Mobile search context dimensions | Correlations (p-value) |
|---|---|---|
| Personal attributes | Gender | 0.351 |
| of the participant | Age | 0.271 |
| Grade | 0.577 | |
| Major | 0.326 | |
| Physical environment | Time | 0.000** |
| around the participant | Place | 0.000** |
| Weather | 0.699 | |
| Device | 0.154 | |
| Social environment | Activity | 0.190 |
| around the participant | Relations | 0.280 |
| Importance | 0.214 | |
| Portal | 0.881 |
Top three relationships between search motivation and information need type_
| Motivation | Top 1 (%) | Top 2 (%) | Top 3 (%) |
|---|---|---|---|
| Curiosity | Culture & art (31.1) | Social science (22.2) | Recreation (6.7) |
| Knowledge | Culture & art (22.4) | Social science (16.1) | Computer skills (12.6) |
| Life service | Culture & art (18.0) | Recreation (15.6) | Daily shopping (12.5) |
Top three relationships between information need and importance_
| Task importance | Top 1 (%) | Top 2 (%) | Top 3 (%) |
|---|---|---|---|
| Important | Social science (24.7) | Culture & art (16.7) | Recreation (11.4) |
| Neutral | Culture & art (27.5) | Social science (10.8) | Natural science (10.3) |
| Unimportant | Social science (28.0) | Culture & art (25.8) | City & architecture (8.0) |
Top two relationships between place and query frequency_
| Place | Query frequency (%) |
|---|---|
| Home or dormitory | 54.7 |
| Study place | 28.7 |
Information need and mobile search context_
| Category | Mobile search context dimensions | Correlations (p-value) |
|---|---|---|
| Personal attributes of the | Gender | 0.000 p < 0.01 |
| participant | Age | 0.325 |
| Grade | 0.139 | |
| Major | 0.314 | |
| Physical environment of the | Time | 0.232 |
| participant | Place | - |
| Weather | 0.412 | |
| Device | 0.253 | |
| Social environment of the | Activity | 0.002 p < 0.01 |
| participant | Relations | 0.577 |
| Importance | 0.032* | |
| Portal | A |
Relationships between gender and search place_
| In study place (%) | In public (%) | On the way (%) | On vacation (%) | |
|---|---|---|---|---|
| Man | 43.7 | 3.0 | 4.4 | 0 |
| Woman | 22.2 | 10.8 | 12.7 | 4.1 |
Relationships between place and relations_
| Top 1 (%) | Top 2 (%) | Top 3 (%) | |
|---|---|---|---|
| At home or dormitory | Alone (50.4) | With classmates (23.2) | With friends (19.5) |
| In workplace | Alone (43.8) | With friends (31.3) | With workmates (12.5) |
| In study place | Alone (47.3) | With classmates (38.0) | With friends (10.9) |
| In public | With friends (42.1) | Alone (26.3) | With classmates (23.7) |
| On the way | Alone (60.9) | With friends (32.6) | With strangers (7.7) |
| On vacation | With friends (92.3) | Alone (7.7) | - |
Query in different motivations_
| Motivation | RT≤2(%) | RT>2 (%) | Total (%) |
|---|---|---|---|
| Curiosity | 39 (14.83%) | 9 (3.42%) | 48 (18.25%) |
| Life service | 70 (26.62%) | 40 (15.21%) | 110 (41.83%) |
| Time killing | 26 (9.89%) | 19 (7.22%) | 45 (17.11%) |
| Knowledge | 40 (15.21%) | 17 (6.46%) | 57 (21.67%) |
| Others | 3 (1.14%) | - | 3 (1.14%) |
| Total | 178 (67.68%) | 85 (32.32%) | 263 (100%) |
Top three relationships between search portal and information need types_
| Search portal | Top 1 (%) | Top 2 (%) | Top 3 (%) |
|---|---|---|---|
| Browser | Culture & art (23.6) | Social science (18.4) | Natural science (9.2) |
| Video software | Culture & art (63.2) | Recreation (10.5) | Social science (5.3) |
| Music software | Culture & art (100) | - | - |
| Transportation software | Transportation (47.6) | Recreation (33.3) | Others (14.3) |
| Social software | Social science (45.9) | Social networking (16.2) | Culture & art (13.5) |
| Shopping software | Daily shopping (57.1) | Recreation (35.7) | Social networking (3.6) |
| Application store | Computer skills (80.0) | Recreation (20.0) | - |
| Education software | Culture & art (66.7) | Natural science (25.0) | Others (8.3) |
Gender and search portal_
| Search portal | Gender (p-value) |
|---|---|
| Browser | 0.001 p < 0.01 |
| Video software | 0.239 |
| Music software | 0.627 |
| Transportation software | 0.036 < 0.05 |
| Social software | 0.000 p < 0.01 |
| Shopping software | 0.021 < 0.05 |
| Application store | 0.624 |
| Education software | 0.798 |
Relationships between activity and task importance_
| Important (%) | Unimportant (%) | Neutral (%) | |
|---|---|---|---|
| On break | 15.9 | 38.1 | 45.9 |
| Working | 45.0 | 10.0 | 45.0 |
| Studying | 40.7 | 11.1 | 48.1 |
| Shopping | 28.6 | 0 | 71.4 |
| Traveling | 50.0 | 21.4 | 28.6 |
| Others | 29.0 | 38.7 | 32.3 |
Relationships between gender and emotion change_
| Gender | Better (%) | Worse (%) | Neither (%) |
|---|---|---|---|
| Man | 42.2 | 10.4 | 47.4 |
| Woman | 28.9 | 9.2 | 61.9 |
Relationships between activity and relations_
| Alone (%) | With others (%) | |
|---|---|---|
| On break | 49.3 | - |
| Working | 55.0 | - |
| Studying | 50.0 | - |
| Shopping | - | 42.9 |
| Traveling | - | 85.7 |
| Others | - | 38.7 |
Relationships between emotion change and search portal_
| Search portal | Better (%) | Worse (%) | Neither (%) |
|---|---|---|---|
| Browser | 35.0 | 11.0 | 54.0 |
| Social software | 13.5 | 8.1 | 78.4 |
Motivations and query frequency_
| Motivation | Query frequency (%) |
|---|---|
| Curiosity | 180 (40.00%) |
| Time killing | 94 (20.89%) |
| Knowledge | 143 (31.78%) |
| Life service | 128 (28.44%) |
| Social relations | 20 (4.45%) |
| Others | 33 (7.33%) |
Emotion change and context_
| Category | Mobile search context dimensions | Correlations (p-value) |
|---|---|---|
| Personal attributes | Gender | 0.013* |
| of the participant | Age | 0.342 |
| Grade | 0.451 | |
| Major | 0.182 | |
| Physical environment | Time | 0.147 |
| of the participant | Place | - |
| Weather | 0.723 | |
| Device | 0.247 | |
| Social environment | Activity | 0.108 |
| of the participant | Relations | 0.230 |
| Importance | 0.000** | |
| Portal | P |
Relationships between place and activity_
| Activity | ||||
|---|---|---|---|---|
| Top 1 (%) | Top 2 (%) | Top 3 (%) | ||
| Place | At home or dormitory | On break (80.5) | Studying (13.4) | Working (3.7) |
| In workplace | Working (50.0) | On break (31.3) | Studying (12.5) | |
| In study place | Studying (58.9) | On break (34.1) | Others (4.7) | |
| In public | On break (44.7) | Others (28.9) | Shopping (10.5) | |
| On the way | On break (50.0) | Traveling (23.9) | Others (23.9) | |
| On vacation | Traveling (84.6) | On break (15.4) | - | |