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please show me the solution. 4. The following problem needs to be done both by hand and by SPSS. Sensory isolation chambers are used to
please show me the solution.
4. The following problem needs to be done both by hand and by SPSS. Sensory isolation chambers are used to examine the effects of mild sensory deprivation. The chamber is a dark, silent tank where participants float on heavily salter water and are thereby deprived of nearly all extemal stimulation. Sensory deprivation produces deep relaxation and has been shown to produce temporary increases in sensitivity for vision, hearing, touch, and even taste. The following data represent hearing threshold scores for a group of participants who were tested before and immediately after 1 hour of deprivation. A lower score indicates more sensitive hearing. Do the data indicate that deprivation has a signicant effect on hearing threshold? Use a two-tailed test with o = .05. Sensory deprivation 31 1 2B 2 34 31 3 29 29 4 33 29 5 35 32 6 35 37 Stat 115, Spring 2022 7 40 35 8 39 40 9 38 35 Computations by hand a. State the null hypothesis in words and in a statistical form. (1) b. State the alternative hypothesis in words and a statistical form. (1) c. Compute the appropriate statistic to test the hypotheses. Sketch the distribution with the estimated standard error and locate the critical region(s) with the critical value(s) (5). d. State your statistical decision (.5). e. Compute Cohen's d. What does this d mean in this context? (2) f. Compute 95% CI. (2) tat 115, Spring 2022 g. What is your conclusion? Interpret the results and include statistical information as well (e.g., t-score, df, a, Cohen's d). (2)Step by Step Solution
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