Billy wanted to find out whether or not trauma in childhood is related to anxiety in adulthood. What kind of claim

Billy wanted to find out whether or not trauma in childhood is related to anxiety in adulthood. What kind of claim is Billy interested in investigating?

Question 17 options:

frequency
causal
association
none of these
Which of the following is likely to improve the external validity of a research study?

Question 16 options:

being sure that all participants have the same ethnic background
using only first year students and sophomores as participants
including groups from multiple cultures and ethnicities
employing only one type of experimenter
Billy wanted to find out whether or not trauma in childhood is related to anxiety in adulthood. What kind of claim is Billy interested in investigating?

Question 17 options:

frequency
causal
association
none of these
Using what you know about internal and external validity- what happens to internal validity as external validity increases?

Question 18 options:

internal validity stays the same as external validity increases
internal validity increases as external validity increases
none of these are correct
internal validity decreases as external validity increases
Dr. Cheetah was fired from his university for fabricating data. Based on this information, which of these scenarios is most likely to have happened?

Question 19 options:

Dr. Cheetah claimed he collected data, but he really didn’t
Dr. Cheetah made his graduate students collect all of his data and then didn’t include their names on the article he submitted for publication
Dr. Cheetah got into a fight with the chair of the department and the chair wanted revenge so she fired him
Dr. Cheetah collected data, but didn’t like the results he found when analyzing it so he removed some participants to make his results match his predictions