Tahir teaches ninth-grade science classes in a high school located in an economically deprived area of a large city. he stresses to his students that the brain is like a muscle; it grows stronger with use as neuron connections grow. he praises effort rather than ability. tahir is trying to his students through fostering:
select one:
a. trait heritability.
b. stereotype threat.
c. a growth mind-set.
d. polygenetics.