Jackson Personality Inventory (JPI)

Like the EPPS, JPI were based on Murray’s (1938) theory of needs.

Unlike EPPS, it has specific definitions of each need

So items for each scale could be as independent as possible, an important consideration in creating homogeneous scales.

The latest revision of the JPI (JPI-R) has one form consisting of 300 true–false items and 15 scales.

These 15 scales in five higher-order dimensions termed analytical, extroverted, emotional, opportunistic, and dependable.

JPI scales have no item overlap

the scales are relatively independent, with most intercorrelation coefficients at -/+.3

1. Analytical

2. Extroverted

3. Emotional

4. Opportunistic

5. Dependable

Complexity

Breadth of Interest

Innovation

Tolerance

Sociability

Social -confidence

Energy Level

Empathy

Anxiety

Cooperativeness

Social -Astuteness

Risk Taking

Organization

Traditional Values

Responsibility