In Woodworth's motivology, introspection was a method to be used to investigate what occurs inside the organism

Infants generally approach new people and objects without ________ until after about 6 months of age

a. goodness of fit b. emotional regulation c. anxiety d. a secure base

A measure that does not yield consistent scores and does not measure what it is supposed to measure is ____

a. both valid and reliable b. neither valid nor reliable c. valid but not reliable d. reliable but not valid