12. An independent-measures research study uses two samples, each with n 10 part
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Question
12. An independent-measures research study uses two samples, each with n 10 participants. If the data produce a t statistic oft 2.095 which of the following is the correct decision for a two tailed hypothesis test? a) Reject the null hypothesis with ·.05 but fail to reject with ·01 b.) Reject the null hypothesis with either -05or a.0i Fail to reject the null hypothesis with either a-.05 or ·.01 Cannot answer without additional information 3. An independent measures study comparing two treatment conditions produces at statistic with df 18. If the two samples are the same size, how many participants were in each of the samples? 10 %) 19 d) 20 16pts 14. A psychologist studies the amount of b the past wock and those who have not smoked marijuana in the past week. The psychologist found that Variable (IV) and the ave activity Dependent Variable (DV) in this study? (4 points) ov: 1S. Judge and Cable (2010) found that thin women had higher incomes than heavier women. If d to investigate this plcnomenon in his study, would he or she have a one tailed test or a two tailed test? Also, list two d g variables that could impact incomes (4 points) res research study are reported as "1(22)-2.12, pExplanation / Answer
14.
DV: Brainwave Activity - The change in the brainwave depends on the change in the marijuana intake.
IV: Marijuana - The researcher can change the amount any time to check the outcome.
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