please answer as fast as possible and only correct answers. Answer all please

11.Choose the incorrect statement.

a.Reliability and validity should not be affected by the context and purpose of the measure.

b.Reliability and validity should not be affected by the content and purpose of the measure.

c.A measure that is valid for one purpose may not be valid for another purpose.

d.Creating a measure using item-analysis procedures would usually be followed by assessing the reliability are not inherent characteristics of measures.

21. Primary data can be collected by:

a.

all of the above

b.

mail surveys

c.

telephone surveys

d.

door-to-door personal interviews

43. Which of the following are the most similar?

a.Nominal and ratio data.

b.Nominal, ratio and interval data.

c.Nominal, ordinal and ratio data.

d.Ordinal, interval and ratio data.

44.

Which of the following best describes the purposes of operationalization?

a.To assess the theoretical relationships among variables.

b.To devise procedures for measuring variables.

c.To indicate the scholarly history leading to the present study.

d.To gather data from a sample.