PART ONE-Problem and Research Setting 1
1-PROLOGUE 2
2-SYSTEMS OF ORIENTATION 4
3-GATHERING DATA 24
PART TWO-System Balance 49
4-INDIVIDUAL SYSTEMS 50
5-TWO-PERSON COLLECTIVE SYSTEMS 71
PART THREE-Individual Differences 97
6-STRAIN-RELATED VARIABLES：ACCURACY AND BALANCE 98
7-PERSONALITY VARIABLES ASSOCIATED WITH STRAIN AND BALANCE 122
PART FOUR-Differentiation and Structuring within Populations 145
8-EARLY AND LATE DIFFERENTIATION OF INDIVIDUALS，PAIRS，AND TRIADS 146
9-EARLY AND LATE STRUCTURING OF TOTAL POPULATIONS 167
PART FIVE-Process and Change with Continuing Acquaintance 193
10-WEEK-TO-WEEK CHANGES IN ATTRACTION RELATIONSHIPS 195
11-THE ATTRACTION OF FLOORMATES AND ROOMMATES TOWARD ONE ANOTHER 208
12-THE CONTRIBUTION OF PERSONAL CHARACTERISTICS TO ATTRACTION 221
13-GROUP STEREOTYPES OF INDIVIDUALS＇AGREEMENT IN VALUES 228
PART SIX-The Acquaintance Process 253
14-INDIVIDUAL CHANGES TOWARD BALANCED COLLECTIVE SYSTEMS 254
15-THE ACQUAINTANCE PROCESS AS A PROTOTYPE OF HUMAN INTERACTION 259
APPENDIXES 263
Ⅰ-THE ATTITUDE ITEMS 264
Ⅱ-THE ADJECTIVE CHECK LISTS 279
Ⅲ-INDICES OF AGREEMENT CONCERNING LISTS OF SPECIFIC ATTITUDES ITEMS 281
Ⅳ-ON THE USE OF CHI-SQUARE IN ESTIMATING THE SIGNIFICANCE OF RELATIONSHIPS BETWEEN PAIR AGREEMENT AND PAIR ATTRACTION 284
Ⅴ-ON THE SIGNIFICANCE OF CORRELATIONS BETWEEN SCORES OF MUTUAL PAIR ATTRACTION AND OF PAIR AGREEMENT ABOUT THE ATTRACTIVENESS OF OTHER HOUSE MEMBERS 286
Ⅵ-DISTRIBUTIONS OF PAIR SCORES OF ATTRACTION，AT FIRST AND LAST MEASUREMENTS，BOTH YEARS 288
Ⅶ-PROCEDURES FOR IDENTIFYING HIGH-ATTRACTION UNITS 289
Ⅷ-INDICES OF INTERUNIT ATTRACTION 291
Ⅸ-THE 256-POINT SCALE OF RECIPROCAL PAIR ATTRACTION 293
Ⅹ-INDIVIDUALS＇WEEK-TO-WEEK RHOS OF ATTRACTION RANKS 295
References 297
Index 299