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In a study to determine the effectiveness of pain management therapy in persons with chronic pain, twenty individuals experiencing chronic pain were randomly selected. The

  1. In a study to determine the effectiveness of pain management therapy in persons with chronic pain, twenty individuals experiencing chronic pain were randomly selected. The average client prior to therapy experienced a score = 78 on a pain rating scale. Descriptive statistics for each group are provided below. A t test was Conducted, and the data is below. (When it says APA format, state the conclusion on your own for APA format)

One-Sample Statistics

N

Mean

Std. Deviation

Std. Error Mean

VAR00001

50

52.7800

6.82519

.96523

One-Sample Test

Test Value = 78

t

Df

Significance

Mean Difference

95% Confidence Interval of the Difference

One-Sided p

Two-Sided p

Lower

Upper

VAR00001

-26.129

49

<.001

<.001

-25.22000

-27.1597

-23.2803

One-Sample Effect Sizes

Standardizera

Point Estimate

95% Confidence Interval

Lower

Upper

VAR00001

Cohen's d

6.82519

-3.695

-4.472

-2.912

Hedges' correction

6.93193

-3.638

-4.403

-2.867

a. The denominator used in estimating the effect sizes.

Cohen's d uses the sample standard deviation.

Hedges' correction uses the sample standard deviation, plus a correction factor.

For this problem:

  1. What type of test and why did I choose this specific test?Answer here Check your assumptions to be sure that you can use this statistic!
  2. Write the Null and alternative hypotheses.
  3. What is the obtained statistical value and the critical value?
  4. Is it significant, how do you know?
  5. Do I reject my null?
  6. Write the sentence and (APA) statistics format for these results. When it says (APA) format it has to be statistically and tutors are welcome to write their APA format conclusion

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