Identify a true statement about the study conducted by Yan and Gaier (1994) on causal attributions for college success and failure in Asian and American college undergraduate and graduate students.

a) Asian students believed that effort was more important for success than lack of effort was for failure.
b) Asian students experienced lower levels of parental support.
c) American students attributed academic achievement more often to ability.
d) American students considered effort equally important for success or failure.

What is the difference between an observational study and an​ experiment? choose the correct answer below. a. in an​ experiment, a treatment is applied to part of a population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. b. in an​ experiment, a treatment is applied to an entire population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of an entire population but does not change existing conditions. c. in an​ experiment, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. in an observational​ study, a treatment is applied to part of a population and responses are observed. d. in an​ experiment, a researcher measures characteristics of interest of an entire population but does not change existing conditions. in an observational​ study, a treatment is applied to an entire population and responses are observed.