For the citation examples below, indicate which ones display correct APA style: 1. Regia-Corte and Wagman (2008) reported that participants perceived a slope to be more difficult to stand on when...

For the citation examples below, indicate which ones display correct APA style:

1. Regia-Corte and Wagman (2008) reported that participants perceived a slope to be more difficult to stand on when wearing a weighted backpack.

2. In a review of how scientific thinking skills develop, Corinne Zimmerman reported many studies that support this theory.

3. The list-strength effect is exhibited when stronger items (studied for a longer time, studied to a deeper level, etc.) in a list produce better memory than weaker items (Verde, 2009).

4. The method used in the current study is based on the method described by Garrison (Feb, 2009).