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Mach IV Scale (Machiavellianism Test) Research Statistics

Assessment Information
  • Sample Adequacy: Developing dataset with emerging normative stability.
  • Research Status: DEVELOPING DATASET
  • Items: 20
  • Dimensions: 3
  • Dataset Maturity: The current dataset achieved a maturity score of 30/100 and is classified as PRELIMINARY.

Table 1
Normative Dataset Overview
Descriptive characteristics of the current normative sample.
Participants 48
Countries Represented 3
Dataset Maturity 30/100 — PreliminaryDataset
Research Status DEVELOPING NORMATIVE DATASET
Sample Adequacy Developing dataset with emerging normative stability.
Data Collection Period May 21, 2026 – Jun 15, 2026
The current normative dataset consists of 48 participants collected from 3 countries.
Table 2
Score Statistics
Measures of central tendency and variability.
Mean Score 51.58%
Median Score 54
Standard Deviation 5.82
Variance 33.87
Standard Error (SEM) 0.84
Reliability (α) 0.857
Items 20
Dimensions 3
The sample demonstrated a mean score of 51.58% (Mdn = 54, SD = 5.82).
Table 3
Distribution Characteristics
Distribution shape and score dispersion indicators.
Observed Score Range 42
Maximum Observed Score 70%
Minimum Observed Score 28%
95% Confidence Interval 49.94– 53.23
Skewness -0.97
Kurtosis 6.19
Observed skewness (-0.97) and kurtosis (6.19) provide indicators of distribution quality and normality.
Global Participation Chart Participants IN 46 #1 JO 1 #2 US 1 #3
Global Participation Interpretation

The current dataset includes responses from 3countries . The largest contribution currently comes from IN which represents approximately 95.8% of all participants. International participation enhances sample diversity and improves the generalizability of normative findings across geographic regions.

Normative Percentile Distribution

Population Median 10th Percentile 45 Population Median 25th Percentile 49 Population Median 50th Percentile 53 Population Median 75th Percentile 55 Population Median 90th Percentile 55
Normative Interpretation

The current normative dataset indicates that approximately 10% of participants scored below 45%, while 90% scored above this level. The median score was 53%, meaning that half of participants scored below this value and half scored above it. Scores of 55% or greater were achieved by approximately the highest 25% of participants, whereas scores of 55% or greater were achieved by approximately the highest 10% of participants. These percentile values provide preliminary normative benchmarks that can be used to contextualize individual assessment results relative to the current community sample.

Distribution Histogram

20-29 1 40-49 13 50-59 33 70-79 1
Distribution Interpretation

This histogram displays the distribution of participant scores across the assessment. A balanced bell-shaped pattern generally indicates good score dispersion and stronger normative utility, whereas highly skewed distributions may indicate floor effects, ceiling effects, or sample bias.

Distribution Quality

The score distribution demonstrated a skewness of -0.97 and a kurtosis of 6.19.

The distribution demonstrates mild departures from normality, although the overall score pattern remains broadly interpretable for preliminary normative purposes.

Reliability Analysis

0.857 Poor Acceptable Good Excellent

GOOD RELIABILITY

The assessment demonstrated good internal consistency reliability (Cronbach's α = 0.857), suggesting that the assessment items measure a relatively coherent psychological construct.

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: 48
Minimum Recommended: 100

Dimension Norms

Dimension Profile Mean SD 50% Pragmatic Morality 60.6% 9.5 Cynical Worldview 52.7% 6.1 Manipulative Strategy 42.4% 9.3
Dimension Interpretation

The highest scoring dimension in the current sample was Pragmatic Morality (60.6%). The lowest scoring dimension was Manipulative Strategy (42.4%). Dimensions located above the 50% reference line represent characteristics that were more strongly endorsed within the current participant sample. Standard deviations indicate the degree of variability observed across participant responses.

Research Interpretation

This psychometric dataset currently includes 48 anonymous participant responses collected through voluntary participation. The observed mean score was 51.58 with a standard deviation of 5.82, indicating moderate score variability within the sampled population. Internal consistency reliability analysis demonstrated good reliability (Cronbach alpha = 0.857). Observed skewness (-0.97) and kurtosis (6.19) were examined as indicators of distribution quality. The distribution demonstrated mild departures from normality, although the overall score pattern remained broadly interpretable for preliminary normative purposes.

Ethical & Research Notice

All responses included in this dataset are collected anonymously through voluntary participation. No personally identifying information is stored. Results are intended exclusively for educational, psychometric, research, and self-reflective purposes and should not be used as clinical diagnoses. Trait Profiler continuously monitors response quality, distribution stability, and internal consistency to support ethical psychometric reporting.

Dataset Export

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Research Citation

Mach IV Scale (Machiavellianism Test). Trait Profiler Interactive Research Dataset. Retrieved from https://traitprofiler.com/mach-iv-machiavellianism-test/statistics/

License: Creative Commons Attribution 4.0 International (CC BY 4.0)