Problem 1 2 1 point A study examined if students who did or did not receive verbal praise during a What is the standard error of the difference? group discussion volunteered to speak more in the next discussion. O 1.19 A total of 20 students from a psychology class participated. 12 students who 19 C received verbal praise volunteered 5 times on average in the next discussion. The O 1.83 other 8 students who did not receive any verbal praise volunteered 1 time on average. O 58 The researcher wanted to conduct an independent samples t-test. Pooled SD=2.6. 3 1 point What is the t-value? -70 1.54 OOO 211 O 3.36 4 1 point What is the standardized effect size (Cohen's d)? 1.87 .70 3.24 1.54