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Research Dataset

Deenz IEA Personality Inventory (DIEA)

Normative and Psychometric Statistics
DEVELOPING N=323 α=0.459 42Countries
Abstract

Deenz IEA Personality Inventory (DIEA) normative dataset currently contains 323 participant records collected between Jun 11, 2026 and Aug 21, 2026 .

This psychometric dataset currently includes 323 anonymous participant responses collected through voluntary participation. The observed mean score was 53.1 with a standard deviation of 10.1, indicating moderate score variability within the sampled population. Internal consistency reliability analysis produced a Cronbach alpha of 0.459, which falls below commonly accepted psychometric standards and should be interpreted cautiously until additional data are collected. Observed skewness (-0.92) and kurtosis (1.91) were examined as indicators of distribution quality. The score distribution appeared reasonably balanced and did not suggest substantial departures from normality.

323
Participants
42
Countries
18
Scale Items
0.459
Reliability
Table 1
Dataset Overview
Assessment Deenz IEA Personality Inventory (DIEA)
Research Status Established Dataset
Dataset Maturity 50 /100 — DEVELOPING
Participants 323
Countries Represented 42
Items 18
Dimensions 3
Data Collection Period Jun 11, 2026 – Aug 21, 2026
Reliability α = 0.459
Note. The current Deenz IEA Personality Inventory (DIEA) dataset contains 323 participant records collected from 42 countries. Dataset maturity reflects sample size, geographic diversity, and internal consistency reliability.
Table 2
Descriptive Statistics
Statistic Value
Mean Score 53.1%
Median Score 54
Standard Deviation 10.1
Variance 101.93
Standard Error 0.56
95% CI Lower 52
95% CI Upper 54.2
Minimum Score 11%
Maximum Score 74%
Observed Range 63
Note. M = 53.1, SD = 10.1, Median = 54. The 95% confidence interval ranged from 52 to 54.2.
Table 3
Sample Characteristics
Variable Summary
Participants N = 323
Countries 42
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 42 countries. The largest contribution originated from BR (15.2% of available geographic records).
Table 4
Percentile Norms
Percentile Score Interpretation
10th 40% Very Low
25th 47% Below Average
50th 54% Average
75th 60% Above Average
90th 64% Elevated
Note. Percentile values provide preliminary normative benchmarks derived from the current Deenz IEA Personality Inventory (DIEA) sample.
Figure 2
Score Distribution
Note. Observed scores ranged from 11% to 74% (M = 53.1, SD = 10.1). Distribution characteristics included skewness (-0.92) and kurtosis (1.91). Distribution indices suggested no substantial departures from normality.
Table 5
Reliability Analysis
Metric Value
Cronbach Alpha 0.459
Reliability Classification Unacceptable
Participants 323
Items 18
Standard Error 0.56
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
Item Item Quality r Rating Q16 0.31 Acceptable Q17 0.3 Weak Q14 0.29 Weak Q3 0.29 Weak Q7 0.27 Weak Q13 0.26 Weak Q2 0.24 Weak Q10 0.22 Weak Q9 0.22 Weak Q11 0.22 Weak Q4 0.12 Problematic Q18 0.12 Problematic Q1 0.11 Problematic Q5 -0.03 Problematic Q12 -0.04 Problematic Q6 -0.1 Problematic Q15 -0.1 Problematic Q8 -0.11 Problematic
Item Analysis Interpretation

Item–total correlations were generally strong across the assessment, indicating that most items contribute effectively to the measurement of the underlying construct. The analysis identified17 itemsthat may benefit from future review.

Items Recommended for Future Review
  • Q1 (r = 0.11)
    Friends say I don’t talk much at parties.
  • Q2 (r = 0.24)
    I hate deep talks.
  • Q3 (r = 0.29)
    My mood decides if I want to go out or stay home.
  • Q4 (r = 0.12)
    I usually follow back the people who follow me.
  • Q5 (r = -0.03)
    I find it hard to sit quietly.
  • Q6 (r = -0.1)
    I prefer new friends to old ones.
  • Q7 (r = 0.27)
    I like spending time alone.
  • Q8 (r = -0.11)
    I enjoy being noticed.
  • Q9 (r = 0.22)
    I hate quiet/shy people.
  • Q10 (r = 0.22)
    I enjoy long, calm walks or reading quietly.
  • Q11 (r = 0.22)
    I feel people are watching me when I go out.
  • Q12 (r = -0.04)
    I hate sitting quietly for too long.
  • Q13 (r = 0.26)
    I am okay with just listening.
  • Q14 (r = 0.29)
    I cancel plans when I feel tired.
  • Q15 (r = -0.1)
    People say I talk a lot.
  • Q17 (r = 0.3)
    I don’t share my thoughts easily.
  • Q18 (r = 0.12)
    I speak first and think later.
The lowest item–total correlation was observed for Q8 ("I enjoy being noticed."; r = -0.10), indicating comparatively weaker alignment with the overall construct.
Table 7
Dimension Norms
Dimension Mean SD N
Introversion 64.65% 20.49 323
Ambiversion 61.65% 22.48 323
Extroversion 43.3% 14.94 323
Note. Dimension statistics summarize normative performance across the major constructs measured by Deenz IEA Personality Inventory (DIEA).
Figure 5
Dimension Profile
Note. The highest observed dimension was Introversion (64.7%), whereas the lowest observed dimension was Extroversion (43.3%). The observed difference between dimensions was 21.4 percentage points. Substantial variation was observed between dimensions.
Table 8
Dataset Growth Summary
Metric Value
Current Participants 323
Countries 42
Collection Start Jun 11, 2026
Collection End Aug 21, 2026
Months Recorded 3
Note. Growth statistics summarize cumulative participation throughout the observed data collection period.
Normative Data Notice

A total of 323 participant responses were available for this assessment. Dimension-level norms were calculated using 323 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

Deenz IEA Personality Inventory (DIEA). Research Dataset. Retrieved from https://drdeenz.com/introvert-extrovert-test/statistics/

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