What is scientist trying to find out from this experiment

fishexp1

Source

General Social Survey https://gss.norc.org

Question Please look at Card I-5. What is the scientist trying to find out from this experiment?

[1] if the number of fish in the fish bowl affects the behavior of the fish
[2] if the temperature of the fish bowl affects the behavior of the fish
[3] if the temperature and the amount of light affect the behavior of the fish
[4] if the number of fish, the temperature, and the amount of light affect the behavior of the fish
[NA(d)] don't know [NA(i)] iap [NA(j)] I don't have a job [NA(m)] dk, na, iap [NA(n)] no answer [NA(p)] not imputable [NA(r)] refused [NA(s)] skipped on web [NA(u)] uncodeable [NA(x)] not available in this release [NA(y)] not available in this year [NA(z)] see codebook

ballots	years
A/B/C	2008

Counts by year:

year	iap	if the number of fish in the fish bowl affects the behavior of the fish	if the temperature of the fish bowl affects the behavior of the fish	if the temperature and the amount of light affect the behavior of the fish	if the number of fish, the temperature, and the amount of light affect the behavior of the fish	don't know	no answer	not available in this year	Total
2008	709	520	85	71	455	155	28	-	2023
Total	709	520	85	71	455	155	28	0	2023