822 vIII. EMERGING  ISSuES AND  NEW  DIRECTIONS
dencies?: Defining basic domains of situation 
variables. Journal of Personality, 75, 479–504.
Schmid Mast, M., Gatica-  Perez, D., Frauendorfer, 
D., Nguyen, L., & Choudhury, T. (2015). Social 
sensing for psychology: Automated interpersonal 
behavior assessment. Current Directions in Psy -
chological Science, 24, 154–160.
Schwartz, H. A., & Ungar, L. H. (2015). Data- 
driven content analysis of social media: A sys -
tematic overview of automated methods. Annals 
of the American Academy of Political and Social 
Science, 659 (1), 78–94.
Schwartz, J. E., Burg, M. M., Shimbo, D., Broder -
ick, J. E., Stone, A. A., Ishikawa, J., et al. (2016). 
Clinic blood pressure underestimates ambula -
tory blood pressure in an untreated employer- 
based US population. Circulation, 134 (23), 
1794 –1807.
Schwarz, N. (2012). Why researchers should think 
“real-time”: A cognitive rationale. In M. R. Mehl 
& T. S. Conner (Eds.), Handbook of research 
methods for studying daily life (pp. 22–42). New 
York: Guilford Press.
Serfass, D. G., & Sherman, R. A. (2015). Situations 
in 140 characters: Assessing real-world situa -
tions on Twitter. PLOS ONE 10 (11), e0143051.
Sherman, R. A., Rauthmann, J. F., Brown, N. A., 
Serfass, D. G., Jones, A. B., & John, F. (2015). 
The independent effects of personality and situ -
ations on real-time expressions of behavior and 
emotion. Journal of Personality and Social Psy -
chology, 109,  872–888.
Smyth, J. M., & Heron, K. E. (2014). Ecological 
momentary assessment (EMA) in family re -
search. Emerging Methods in Family Research, 
4, 145–161.
Soto, C. J., & John, O. P. (2017). The next Big Five 
Inventory (BFI-2): Developing and assessing a 
hierarchical model with 15 facets to enhance 
bandwidth, fidelity, and predictive power. Jour -
nal of Personality and Social Psychology, 113, 
117–143.
Stachl, C., Hilbert, S., Au, J.-Q., Buschek, D., De 
Luca, A., Bischl, B., et al. (2017). Personality 
traits predict smartphone usage. European Jour -
nal of Personality, 31, 701–722.
Ten Berge, M. A., & De Raad, B. (1999). Taxono -
mies of situations from a trait psychological per -
spective: A review. European Journal of Person -
ality, 13,  337–360.
Tenney, E. R., Vazire, S., & Mehl, M. R. (2013). 
This examined life: The upside of self-  knowledge 
for interpersonal relationships. PLOS ONE, 
8(7), e69605.
Thai, S., & Page-Gould, E. (2018). ExperienceSam -
pler: An open-  source scaffold for building smart -
phone apps for experience sampling. Psychologi -
cal Methods, 23 (4), 729–739.Tobin, E. T., Kane, H. S., Saleh, D. J., Naar-King, 
S., Poowuttikul, P., Secord, E., et al. (2015). Nat -
uralistically observed conflict and youth asthma 
symptoms. Health Psychology, 34, 622–631.
Trull, T. J., & Ebner-  Priemer, U. (2014). The role of 
ambulatory assessment in psychological science. 
Current Directions in Psychological Science, 23, 
466–470.
van Zalk, M., Nestler, S., Geukes, K., Hutteman, 
R., & Back, M. (2020). The codevelopment of 
extraversion and friendships: Bonding and be -
havioral interaction mechanisms in friendship 
networks. Journal of Personality and Social Psy -
chology, 118,  1269–1290.
Vazire, S. (2010). Who knows what about a per -
son?: The self–other knowledge asymmetry 
(SOKA) model. Journal of Personality and Social 
Psychology, 98, 281–300.
Vazire, S., & Mehl, M. R. (2008). Knowing me, 
knowing you: The accuracy and unique predic -
tive validity of self-  ratings and other-  ratings of 
daily behavior. Journal of Personality and Social 
Psychology, 95, 1202–1216.
Vazire, S., & Sherman, R. A. (2017). Introduction 
to the special issue on within-  person variability 
in personality. Journal of Research in Personal -
ity, 69,  1–3.
Wagerman, S. A., & Funder, D. C. (2009). Per -
sonality psychology of situations. In P. J. Corr 
& G. Matthews (Eds.), Cambridge handbook of 
personality  (pp. 27–42). Cambridge, UK: Cam -
bridge University Press.
Wang, R., Chen, F., Chen, Z., Li, T., Harari, G., 
Tignor, S., et al. (2014). StudentLife: Assessing 
mental health, academic performance and be -
havioral trends of college students using smart -
phones. Proceedings of the 2014 ACM Inter -
national Joint Conference on Pervasive and 
Ubiquitous Computing,  pp. 3–14.
Webb, E. J., Campbell, D. T., Schwartz, R. D., Se -
chrest, L., & Grove, J. B. (1981). Nonreactive 
measures in the social sciences. Boston: Hough -
ton Mifflin.
Wettstein, A., & Jakob, M. (2010). Assessing ag -
gressive adolescents’ environments from their 
perspective by using camera-  glasses: An innova -
tive new method. Journal of Aggression, Con -
flict and Peace Research, 2, 23–32.
Wettstein, A., & Scherzinger, M. (2015). Using 
camera-  glasses for the assessment of aggres -
sive behaviour among adolescents in residential 
correctional care: A small-scale study. Journal 
of Aggression, Conflict and Peace Research, 7, 
33–46.
Wheeler, L., & Nezlek, J. B. (1977). Sex differences 
in social participation. Journal of Personality 
and Social Psychology, 35, 742–754.
Wheeler, L., & Reis, H. T. (1991). Self-  recording 