Table 1. Overview of variable groups and data sources in PILS and CONNECT.

Measure	PILS		CONNECT
	Online survey	Session data	Zero acqu.	Online survey	Time-based	Event-based	Lab
Demographics	✔			✔
Trait measures	✔	✔		✔			✔
Physical and behavioral measures		✔	✔			✔	✔
Interpersonal perceptions		✔	✔	✔	✔
Relationship indicators		✔	✔	✔	✔	✔

Note. Zero acqu. = Zero-acquaintance experiment, Lab = Laboratory-based Assessment.