Question

12. My Noles Ask Your leache 10 and men IU). The mean score in the male group was 84 : 4.U M ± SD); n the female group it was /8 8. U M ± SD ponts. Lf the nul hypothess 1s that there ıs no difference 1n exam scores then test the null hypothess at a ข US level of wonnen n ignificancc Fxam "care, wana significantly higher in tha mala group, r(เส)-2.83, Exam scores were the same between groups, t(16)-2.12, ρ Exem suores were siyrifcantly higher in the male group, 19) 2.12, p 0.05 e' n.05. 0.05. Exam scores were the samo between groups, t(18) = 1.00, p > 0.05. 13 -1 ponts Pirviers Stal:3 10.TO.003. My Noles Ask Your Teuche onc difference betwccn rcpcated measures design and matched samples design is that only one u esign i d type of related sample desir' only one cesign increases the power to observe an effect only one design involves observing the same partio pants in each oroup only one design eliminates between-persons variability 14. My Noles + Ask Your Tesch A researcher matchcd 30 participants on intelligence (hence 15 pairs of participants), and then compared dfferences in emctional rezpensiveness to two expcrimental stimuli between each pair. For this test, what arc the critical values, accumingtwo-tailed test at 0.05 laval of significanca? 22.042 O 12.045 番±7.131 O 12.14: My Noles Ask Your leache To increasc the valuce of cstimated Cohan's d, a racearcher increases thc campa sizc. Wll this change the valuc of d? O Yes: as sample ize increases, effect size increases No; asample sizc increasas, cffect size decrcasss. No; the sample siza ls not usad to compute effect sze. Yes: as sample size increases, etect size decreases

Answer 1