Interpersonal Power Inventory – Employee Version (IPI-EV)

Q: How is the Interpersonal Power Inventory – Employee Version (IPI-EV) scored?

Scores range from 4 to 28. Interpretation levels: Low influence on compliance (4-12), Moderate influence on compliance (13-20), High influence on compliance (21-28).

Q: Is the Interpersonal Power Inventory – Employee Version (IPI-EV) free?

Yes, this assessment is completely free. You will receive your results immediately after completion, with an optional AI-powered personalized interpretation.

Mohammed looti

Interpersonal Power Inventory – Employee Version (IPI-EV)

Measures the perceived bases of social power that influence compliance in supervisor-subordinate relationships.

44 Questions

~11 min

Custom

Scale Development & Technical Details

Scale Overview

The Interpersonal Power Inventory – Employee Version (IPI-EV) was developed by Raven, B. H., Schwarzwald, J., & Koslowsky, M. (1998). It is designed to measure Interpersonal Power Bases. The scale is intended for use with Employees / Subordinates.

Scale Structure

This instrument consists of 44 items organized into 11 factors/subscales: Impersonal Reward, Impersonal Coercion, Personal Reward, Personal Coercion, Legitimate Position, Legitimate Reciprocity, Legitimate Equity, Legitimate Dependence, Expert, Information, Referent.

Factor / Subscale	Items	N
Impersonal Reward	1,22,37,41	4
Impersonal Coercion	6,13,31,39	4
Personal Reward	8,14,29,33	4
Personal Coercion	10,18,23,44	4
Legitimate Position	2,20,28,34	4
Legitimate Reciprocity	7,12,32,43	4
Legitimate Equity	11,21,30,36	4
Legitimate Dependence	9,16,25,40	4
Expert	3,19,26,38	4
Information	4,17,24,42	4
Referent	5,15,27,35	4

Response Format

Respondents rate each item using a custom response format.

Response anchors: 1 = Much less likely to comply, 2 = Less likely to comply, 3 = A bit less likely to comply, 4 = Would not affect my tendency to comply, 5 = A bit more likely to comply, 6 = More likely to comply, 7 = Much more likely to comply.

Scoring

Items are scored by subscale, with each subscale sum representing a distinct dimension.

Total scores range from 4 to 28. Interpretation guidelines:

Low influence on compliance: 4 – 12
Moderate influence on compliance: 13 – 20
High influence on compliance: 21 – 28

Psychometric Properties

Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Subscale Cronbach's alphas typically range from .70 to .90.

Administration

The scale is self-administered and typically takes approximately 10 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.

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About You

Please provide the following information before starting the assessment. This data is used for research purposes only and will remain confidential.

Gender *

Age *

Education Level

Country / Nationality

Instructions

Please rate how each of the following statements would affect your willingness to comply with a request or directive from your supervisor.

1 Much less likely to comply

2 Less likely to comply

3 A bit less likely to comply

4 Would not affect my tendency to comply

5 A bit more likely to comply

6 More likely to comply

7 Much more likely to comply

A good evaluation from my supervisor could lead to an increase in pay.