THE MAJOR REASON WHY OUR READERS-PER-COPY FIGURES ARE TOO HIGH
Symposium: 1988: Barcelona, Session 9 - New technical issues
Authors: Langschmidt, Wally
Organisations: Consultant
Topics: Readers-per-copy(RPC), Readership Model, Reliability
SOME THOUGHTS ON THE VISUAL VERIFICATION OF READING CLAIMS
Symposium: 1985: Salzburg, Session 5 - Readers Per Copy
Authors: Langschmidt, Wally
Organisations: Market Research Africa
Topics: Readers-per-copy(RPC), Readership Model, Validity
THE EFFECT OF AGE OF ISSUE AND ORIGIN OF COPY ON READERSHIP RESULTS
Symposium: 1983: Montreal, Session 6 - Technical issues: non-response, title rotation and source or age of issue
Authors: Langschmidt, Wally
Organisations: Market Research Africa
Topics: Readership Model
Some thoughts abaut readership research and frequency
Symposium: 1981: New Orleans, Session 4 - Frequency scales: their design and application
Authors: Langschmidt, Wally
Organisations: Market Research Africa
Topics: Frequency of Reading
A possible link between readership and circulation
Symposium: 1981: New Orleans, Session 2 - Alternative techniques and the problems of validation
Authors: Langschmidt, Wally
Organisations: Market Research Africa
Topics: Readership Model, Reliability, Validity
How South African methodology differs
Symposium: 1981: New Orleans, Session 1 - Current Practices across the world
Authors: Langschmidt, Wally
Organisations: Market Research Africa