Human performance

Reliability: The consistency of a measure; how well scores for the same subject are replicable across repeated measurements of the same variable. INTERNAL/ INTER-RATER/PARALLEL FORMS/ TEST RETEST. Construct validity:  The extent to which a test measures the underlying construct that it was intended to measure.Content validity: The degree to which a test or predictor covers a representative sample of the quality being assessed. Predictive validity: The extent to which test scores obtained at one point in time predict criteria obtained in the future. Concurrent validity: The extent to which a test predicts a criterion that is measured at the same time that the test is conducted. General stress model sources: Intrinsic factors: such as poor Wworking conditions (low lighting, excessive noise, long hours etc) Role variables: a role is a set of behaviors expected of a person who occupies a certain position in a group (not clear what to do or receiving mixed signals from boss. Interpersonal relationships and career advancement.  Problem focused coping: involve behaviors or actions targeted towards solving or handling the problem itself, Bcompromising with a coworker on a conflict. Emotion focused coping:  involves cognitive or thought related strategies to minimize the stress induced by an event, like trying to see the best out of it. Warr's emotional determinants of well being: work family conflic, work family enrichment. Norms: Share expectations about appropiate ways of responding in a group. Role differentiation: The process by which a group establishes distincts roles for various members. Cohesion: The strength of members motivation to maintain membership in a group and the bonds the members have developed. Social loafing: The reduction in individual effort that occurs when people work in groups instead of alone. Brainstorming: a technique in which all members of a group generate potential solutions without fear of being criticized. Process loss:  Any nonmotivational element of a group situation that detracts from the group's performance, like lack of coordination. Groupthink: a mode of thinking that individuals engage in when the desire to agree becomes so dominant in a cohesive group that it tends to override the realistic appraisal of alternative courses of action. Share mental model: organized structures combining the knowledge, beliefs and understandings of two or more individuals that help coordinate their efforts. Task work: activities, behaviors or actions that involve task oriented aspects of work. Teamwork: activities, behaviors or actions that involve the process oriented aspects of work. 5 bases of power: legitimate power, reward power, coercive power, expert power, referent power.