Attachment and interpersonal relationships are a major subject of research and clinical work in psychology. There are, accordingly, a proliferation of measurement instruments to tap into these broad constructs. The emphasis in these measures tends to be on the emotional dimensions of the relationships—how people feel about their partners and the support that they receive. However, that is not all there is to relationship quality. Increasing attention has been paid to the physical and physiological aspects of relationships, but there are few psychometrically sound measures available to assess these dimensions.

 

In the current study, Dujols et al. (2024) assessed the psychometric properties of the Social Thermoregulation and Risk Avoidance Questionnaire (STRAQ-1), a measure of physical relationships that targets social thermoregulation, or how physical proximity is used to promote warmth and closeness. The project consists of a thorough assessment of the measure’s reliability over time—that is, the degree to which the measure assesses the construct similarly across administrations, in a sample of 183 French university students.

 

The authors assessed the longitudinal measurement invariance and test-restest reliability of the STRAQ-1. Longitudinal measurement invariance across two time points was only found for two of the four subscales. Similarly, test-retest reliability varied by subscale, ranging from poor to good. Taken together, the study suggests caution in using the STRAQ-1 scale as a reliable measure of physical relationships. The study highlights the need for continued assessment of the reliability of widely used measures, particularly reliability over time, and serves as a model for a rigorous analytic approach for doing so.

 

The Stage 2 manuscript was evaluated over two rounds of in-depth review, the first round consisting of comments from two reviewers and the second round consisting of a close read by the recommender. Based on detailed responses to the reviewers' comments, the recommender judged that the manuscript met the Stage 2 criteria and therefore awarded a positive recommendation.

 

URL to the preregistered Stage 1 protocol: https://osf.io/pmnk2
 
Level of bias control achieved: Level 3. At least some data/evidence that was used to the answer the research question was accessed by the authors prior to Stage 1 IPA (e.g. downloaded or otherwise received) but the authors certify that they had not observed ANY part of the data/evidence until after Stage 1 IPA.
 
List of eligible PCI RR-friendly journals:
 

 

 

1. Dujols, O., Klein, R. A., Lindenberg, S., Van Lissa, C. J., & IJzerman, H. (2024). Test-Retest Reliability of the STRAQ-1: A Registered Report [Stage 2]. Acceptance of Version 10 by Peer Community in Registered Reports. https://osf.io/preprints/psyarxiv/392g6

This is an ambitious systematic review that uses a combination of quantitative and qualitative methods to make the measurement of the construct of social connection more rigorous. Social connection is a heterogeneous construct that includes aspects of structure, function and quality. Here, Paris et al. (2024) will use predefined methods to create a database of social connection measures, and will assess heterogeneity of items using human coders and ChatGPT. This database will form the basis of a second systematic review which will look at evidence for validity and measurement properties. This study will also look at the population groups and country of origin for which different measures were designed, making it possible to see how far culturally specific issues affect the content of measures in this domain.

 

The questions asked by this study are exploratory and descriptive and so the importance of pre-registration is in achieving clear criteria for how each question is addressed, rather than evidential criteria for hypothesis-testing.

 

The authors responded comprehensively to three reviewer reports. This study will provide a wealth of useful information for those studying social connection, and should serve to make the literature in this field more psychometrically robust and less fragmented.

 

URL to the preregistered Stage 1 protocol: https://osf.io/796uv
 
Level of bias control achieved: Level 3. At least some data/evidence that will be used to the answer the research question has been previously accessed by the authors (e.g. downloaded or otherwise received), but the authors certify that they have not yet observed ANY part of the data/evidence. 
 
List of eligible PCI RR-friendly journals:

 

 

 

1. Paris, B., Brickau, D., Stoianova, T., Luhmann, M., Mikton, C., Holt-Lunstad, J., Maes, A., & IJzerman, H. (2024). A systematic review of social connection inventories. In principle acceptance of Version 3 by Peer Community in Registered Reports. https://osf.io/796uv

Attachment and interpersonal relationships are a major subject of research and clinical work in psychology. There are, accordingly, a proliferation of measurement instruments to tap into these broad constructs. The emphasis in these measures tends to be on the emotional dimensions of the relationships—how people feel about their partners and the support that they receive. However, that is not all there is to relationship quality. Increasing attention has been paid to the physical and physiological aspects of relationships, but there are few psychometrically sound measures available to assess these dimensions.

 

In the current study, Dujols et al. (2023) seek to assess the psychometric properties of the Social Thermoregulation and Risk Avoidance Questionnaire (STRAQ-1), a measure of physical relationships that targets social thermoregulation, or how physical proximity is used to promote warmth and closeness. The proposed project will be a thorough assessment of the measure’s reliability over time—that is, the degree to which the measure assesses the construct similarly across administrations. The authors will assess the test-retest reliability and longitudinal measurement invariance of the STRAQ-1, providing much-needed psychometric data that can build confidence in the utility of the measure.

 

The Stage 1 manuscript was evaluated over two rounds of in-depth review, the first round consisting of detailed comments from two reviewers and the second round consisting of a close read by the recommender. Based on detailed responses to the reviewers' comments, the recommender judged that the manuscript met the Stage 1 criteria and was therefore awarded in-principle acceptance (IPA).

 

URL to the preregistered Stage 1 protocol: https://osf.io/pmnk2
 
Level of bias control achieved: Level 3. At least some data/evidence that will be used to the answer the research question has been previously accessed by the authors (e.g. downloaded or otherwise received), but the authors certify that they have not yet observed ANY part of the data/evidence
 
List of eligible PCI RR-friendly journals:
 

 

1. Dujols, O., Klein, R. A., Lindenberg, S., Van Lissa, C. J., & IJzerman, H. (2023). Test-Retest Reliability of the STRAQ-1: A Registered Report. In principle acceptance of Version 2 by Peer Community in Registered Reports. https://osf.io/pmnk2