PSYC 2130 Lecture 2: Chpt 2-1 Measurement
22 May 2020
School
Department
Course
Professor
Document Summary
Measurement is the process of assigning: (cid:12254) (cid:12254) (cid:12254) numbers to attributes of people, evens or objects following a rule. The numbers become data as a consequence of the measurement process. Given by the measurement process. (cid:12254) e. g. 36 is a number but a score of 36 in the act has the meaning of a extremely well prepare applicant for college work . A good measurement has to be valid and reliable: (cid:12254) (cid:12254) Reliability: a measure is reliable if repeated measurements of the same attribute give the same value. Distances measured with a rubber yardstick may not be reliable. The match between numbers and attributes properties de nes a measurement scales. (cid:12254) (cid:12254) (cid:12254) Thus, height has the more and less property. We know that all normal individuals has some cognitive ability. Thus, there is no normal individual with zero ability.
