Question

Katiana wanted to figure out what type of liquid beans,she wanted one with coca-cola, one with lemonade, and one with just water. After one week, she measured how high they had grown

Answer 1

Answer:

Independent Variable (IV): _____________________________________________

IV levels:___________________________________________________________

Dependent Variable (DV): _____________________________________________

Alex wanted to find out what toothpaste made teeth the cleanest. She randomly assigned participants to either brush their teeth with Crest or with Charcoal toothpaste. She measured their plaque level after brushing this way 2 times per day for 6 months.

Specific name of design:________________________________________________

Independent Variable (IV): ______________________________________________

Dependent Variable (DV): _______________________________________________

Fredrick was interested in the effect of helping on happiness. The IV conditions/levels were “helping a child” and “helping an adult”. Every participant went through both study conditions. The order in which they participated in the conditions was fully counterbalanced. Happiness was measured after each helping condition.

Specific name of study design:___________________________________________

Independent Variable (IV): _______________________________