What type of statistical test was conducted by canbulat et al. (2015) to examine group differences in the dependent variables of procedural pain and anxiety levels in this study? what two groups were analyzed for differences?

What are the basic input of iron and steel industry

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

The two-factor theory of emotion was proposed by