The trait of _____ tends to increase over time.

James and Marc are discussing the disadvantages of case studies, most specifically the degree of subjectivity involved. James challenges this, though, by stating that since interviews can be __________, multiple people can evaluate the content

a) transcribed b) watched via closed-circuit television c) recorded d) lengthy

The originator of the product-moment correlation technique was

a. Karl Gauss b. Blaise Pascal c. Karl Pearson d. Alexandra McKenna