34. Although nonexperiments resemble true experiments, they contain a. threats to internal validity; generalize to other situations b. threats to external validity; generalize to other situations C....

34.

Although nonexperiments resemble true experiments, they contain

a. threats to internal validity; generalize to other situations

b. threats to external validity; generalize to other situations

C. threats to internal validity; establish causal relationships

d. threats to external validity; establish causal relationships