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Buss Perry Aggression Questionnaire (BPAQ-29) - Aggression Test

Research Dataset

Buss Perry Aggression Questionnaire (BPAQ-29)

Normative and Psychometric Statistics
PRELIMINARY N=2 α=0 2Countries
Abstract

Buss Perry Aggression Questionnaire (BPAQ-29) normative dataset currently contains 2 participant records collected between Jul 5, 2026 and Jul 14, 2026 .

This psychometric dataset currently includes 2 anonymous participant responses collected through voluntary participation. The observed mean score was 63.5 with a standard deviation of 23.33, indicating moderate score variability within the sampled population. Internal consistency reliability analysis produced a Cronbach alpha of 0, which falls below commonly accepted psychometric standards and should be interpreted cautiously until additional data are collected. Observed skewness (0) and kurtosis (0) were examined as indicators of distribution quality. The score distribution appeared reasonably balanced and did not suggest substantial departures from normality.

2
Participants
2
Countries
29
Scale Items
0
Reliability
Table 1
Dataset Overview
Assessment Buss Perry Aggression Questionnaire (BPAQ-29)
Research Status Preliminary Dataset
Dataset Maturity 5 /100 — PRELIMINARY
Participants 2
Countries Represented 2
Items 29
Dimensions 4
Data Collection Period Jul 5, 2026 – Jul 14, 2026
Reliability α = 0
Note. The current Buss Perry Aggression Questionnaire (BPAQ-29) dataset contains 2 participant records collected from 2 countries. Dataset maturity reflects sample size, geographic diversity, and internal consistency reliability.
Table 2
Descriptive Statistics
Statistic Value
Mean Score 63.5%
Median Score 63.5
Standard Deviation 23.33
Variance 544.5
Standard Error 16.5
95% CI Lower 31.16
95% CI Upper 95.84
Minimum Score 47%
Maximum Score 80%
Observed Range 33
Note. M = 63.5, SD = 23.33, Median = 63.5. The 95% confidence interval ranged from 31.16 to 95.84.
Table 3
Sample Characteristics
Variable Summary
Participants N = 2
Countries 2
Age Information Available
Gender Information Available
Note. Demographic information was collected voluntarily. Participant counts may vary across demographic categories when information was not reported.
Figure 1
Global Participation
Note. Participants were represented across 2 countries. The largest contribution originated from MN (50% of available geographic records).
Table 4
Percentile Norms
Percentile Score Interpretation
10th 47% Very Low
25th 47% Below Average
50th 47% Average
75th 47% Above Average
90th 47% Elevated
Note. Percentile values provide preliminary normative benchmarks derived from the current Buss Perry Aggression Questionnaire (BPAQ-29) sample.
Figure 2
Score Distribution
Note. Observed scores ranged from 47% to 80% (M = 63.5, SD = 23.33). Distribution characteristics included skewness (0) and kurtosis (0). Distribution indices suggested no substantial departures from normality.
Table 5
Reliability Analysis
Metric Value
Cronbach Alpha 0
Reliability Classification Unacceptable
Participants 2
Items 29
Standard Error 16.5
Note. Internal consistency was estimated using Cronbach alpha. Reliability estimates are based on the current normative dataset and may change as additional responses are collected.
Item–Total Correlations
Insufficient Sample Size

Item–total correlations are not currently reported because the assessment has fewer than 100 participant responses. Psychometric item analysis requires a larger sample to produce stable and interpretable estimates.

Current Participants: 2
Minimum Recommended: 100
Table 7
Dimension Norms
Dimension Mean SD N
Hostility 67.5% 6.36 2
Anger 66% 35.36 2
Verbal Aggression 64.5% 26.16 2
Physical Aggression 55.5% 43.13 2
Note. Dimension statistics summarize normative performance across the major constructs measured by Buss Perry Aggression Questionnaire (BPAQ-29).
Figure 5
Dimension Profile
Note. The highest observed dimension was Hostility (67.5%), whereas the lowest observed dimension was Physical Aggression (55.5%). The observed difference between dimensions was 12 percentage points. Moderate variation was observed between dimensions.
Table 8
Dataset Growth Summary
Metric Value
Current Participants 2
Countries 2
Collection Start Jul 5, 2026
Collection End Jul 14, 2026
Months Recorded 1
Note. Growth statistics summarize cumulative participation throughout the observed data collection period.
Normative Data Notice

A total of 2 participant responses were available for this assessment. Dimension-level norms were calculated using 2 valid response records. Approximately 0 response record(s) were excluded from dimension-level normative calculations due to incomplete response patterns.

Limitations

Normative statistics are derived from voluntary participation and may not represent all populations. Reliability estimates, percentile norms, and dimension statistics should be interpreted in the context of the current sample and may change as additional responses are collected.

Ethical Statement

All records included in this dataset were collected anonymously. No personally identifying information is stored. Data are intended for educational, psychometric, and research purposes.

Recommended Citation

Buss Perry Aggression Questionnaire (BPAQ-29). Research Dataset. Retrieved from https://drdeenz.com/buss-perry-aggression-questionnaire/statistics/

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