Introduction to Experimental Studies

What are experimental studies? What are they used for?

[nuttertools]

Very well explained and demonstrated. This video helped me alot! Thanks Brooke.

[LDcool]

hi. i wanna ask u about my research.
i use 2x3 factorial design, and my lecture ask me to use t-test.
now i confuse how to use it on spss.
the title of my research is "influence of facial attractiveness and gender on selection decision in organisation"
can u explain how must i do for my research? its better if u xplain the
desain or spss
thank you