The Barber Suggestibility Scale (Barber, 1969) is used to
assess a person’s level of hypnotic...

Question

The Barber Suggestibility Scale (Barber, 1969) is used to
assess a person’s level of hypnotic suggestibility. The scale is comprised of
experimenter-evaluated responses by participants to eight scenarios such as
“Imagine your arm is getting lighter.” Participants whose responses exceed some
minimum value (e.g., moving his/her arm up 4 inches in response to the
suggestion) are given one point. The scale based on these objective measures
has a minimum and maximum value of 0 and 8, respectively, with high values
indicating higher suggestibility. Use the data in the file Hypnotizablity.sav
to determine whether there is a difference in mean recognition memory ability
(the variable mem1 or a variable derived from it—see question 3 below) for
participants classified as highly hypnotizable (object at or above 5.50) vs.
low hypnotizable (object score at or below XXXXXXXXXXDo the following:

1. Use the variable object to create a new variable called
group that has the value 1 if object is between XXXXXXXXXX, 2 if object is
between XXXXXXXXXX, and 0 otherwise (you can accomplish this easily using Recode
into Different Variables).

2. Check underlying assumptions using Explore.

3. Create a new memory measure mem2 that is the square of
mem1. Run Explore again to determine whether distribution of the transformed
variable mem2 better meets the assumption of normality for each sample being
evaluated.

4. Perform an appropriate t-test on a suitable dependent
variable.

5. Report the results of the analysis following the format
described in the text.

Mukesh · Accepted Answer

The Barber Suggestibility Scale (Barber, 1969) is used to assess a person’s level of hypnotic suggestibility. The scale is comprised of experimenter-evaluated responses by participants to eight scenarios such as “Imagine your arm is getting lighter.” Participants whose responses exceed some minimum value (e.g., moving his/her arm up 4 inches in response to the suggestion) are given one point. The scale based on these objective measures has a minimum and maximum value of 0 and 8, respectively, with high values indicating higher suggestibility. Use the data in the file Hypnotizablity.sav to determine whether there is a difference in mean recognition memory ability (the variable mem1 or a variable derived from it—see question 3 below) for participants classified as highly hypnotizable (object at or above 5.50) vs. low hypnotizable (object score at or below 2.50). Do the following:
1. Use the variable object to create a new variable called group that has the value 1 if object is between 0.00-2.50, 2 if object is between 5.50-8.00, and 0 otherwise (you can accomplish this easily using Recode into Different Variables).
2. Check underlying assumptions using Explore.
3. Create a new memory measure mem2 that is the square of mem1. Run Explore again to determine whether distribution of the transformed variable mem2 better meets the assumption of normality for each sample being evaluated.
4. Perform an appropriate t-test on a suitable dependent variable.
5. Report the results of the analysis following the format described in the text.
Solution (1 
 
1.

The Barber Suggestibility Scale (Barber, 1969) is used to assess a person’s level of hypnotic suggestibility. The scale is comprised of experimenter-evaluated responses by participants to eight...

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