Primary and Secondary dimensions of individual differences
A. PRIMARY DIMENSION
Personal characteristics such as age, gender, physical and mental ability have an important and sustained impact throughout our lives.
B. SECONDARY DIMENSION
Characteristics that people acquire/discard/modify throughout their lives are known as Secondary Dimension of Individual characteristics. These consist of family status, education, work experience, organizational role, work style, communication style and attitude. Since, personality is partly subject to modifications, it is partly included in Primary dimension and partly in secondary dimension.
Inter and Intra individual difference
(i) Inter-individual differences: All differences among persons in their attitude, physical features, intelligence, personality, interest, learning etc. It refers to differences in a particular characteristics among various individuals
(ii) Intra-individual differences: Intra-individual differences refers to differences among various characteristics possessed by the same person. Different abilities are present in the same person, for e.g., a person may be good at painting but relatively less good at studies and bad at singing.
Factors affecting individual differences
Ø Emotional differences
Ø Differences in intelligence
Ø Differences in Abilities, Skills, Attitudes and Achievement
Ø Differences in Social Behaviour
Ø Gender Differences
Ø Physical differences
§ Differences in chronological age
§ Differences in physical maturity
§ Differences in appearances