Preferred Bubble Tube Speed & Physiological–Psychological Factors — SPSS Outputs and Analysis Recipe (v1.0)

Summary.
This record contains the analysis outputs and step-by-step analysis recipe for the study Preferred Bubble Tube Speed & Physiological–Psychological Factors. All analyses were performed in IBM SPSS Statistics v27 (64-bit) via the graphical interface; no custom code was written. Files here enable reviewers and readers to reproduce the tables and figures reported in the manuscript from the de-identified participant-level dataset.

Contents.

• analysis-recipe.pdf — Human-readable, step-by-step analysis recipe documenting every SPSS menu path and parameter (data preparation, Spearman correlations, regression diagnostics, stepwise multiple regression, residual checks, exports).

• pbts_ppf_results_v1.0.spv — The complete SPSS output viewer file (correlation matrix, regression models, diagnostics plots, and descriptive statistics).

• pbts_ppf_participant-level_v1.0.sav — De-identified participant-level dataset used for the analyses (one row per participant; six speed selections R1–R6, APS, SD of selections, heart-rate variables, time-estimation variables, VDS-J, TQ-J, and STAI totals).

How to reproduce.

1. Open pbts_ppf_participant-level_v1.0.sav in SPSS v27+.

2. Follow analysis-recipe.pdf to compute derived variables and run all analyses, or directly open pbts_ppf_results_v1.0.spv to inspect the exact outputs.

3. All tests are two-tailed (α = .05).

Software & versions.
IBM SPSS Statistics v27 (64-bit). SPSS Bootstrapping module for 95% CIs on correlations. 

Ethics & privacy.
All data are de-identified and contain no directly identifying information.

Licensing.
Unless otherwise noted, documents and data are released under CC BY 4.0.