To:  sbaker@odu.edu

From:  Thomas Meyer
tmeyer@ph.vccs.edu
276 656-0283
Patrick Henry Community College

Subject:  Statistics - w/  Dr.Spencer Baker - Homework Assignment #1, Ch 1 - Problem 14.

 

  Description Dependent Variable Independent Variable The independent variable is a manipulated independent variable.
(M.I.V.)		 The independent variable is a status variable.
(S.V.)		 Variables that are controlled.  
a. Counseling

Client-centered,
Gestalt, and
Rational-emotive methods are used to group client responses

Extent of counselor experience recorded on Likert Scale. One of three counseling approaches chosen The approach chosen is made by the experimenter, so the approach chosen is an M.I.V.

N/A/

 1. Clothing worn,
2.  30-minute sessions,
3.  use of a counselor's office setting,
4.  use of videotape,
5.  Likert scale responses
6.  Similar counselor-client in each video
7.  Expertise in each methodology		  
b. Spatial reasoning abilities of men and women Test scores on spatial reasoning Sex (Male and female)   Male and female categories make this a status variable respondents are:
1.  college students
2.  18-20 years old		  
c. Memory Recall

Does recall depend upon method of delivery?

 Quantity of recalled information Grouping by
1-Pre briefing and
2-No pre-briefing		 The groupings having been determined by the experimenter, the Independent variable is and M.I. V. N/A 1. 25-minute recall period
2.  free-recall method		  
d. Heart rate

Does muscle relaxation or fantasy make the bigger difference?		 Heart Rate Grouping by technique:
1-relaxation
2-fantasy		 The groupings having been determined by the experimenter, the Independent variable is and M.I. V. N/A 1.  Everyone gets 5 minutes to relax initially.
2.  Sessions last 20 minutes.		  
e. Basketball

Free Throws completed

 Free Throws completed
successfully		 Sequential Grouping separated by mental and physical practice. The groupings having been determined by the experimenter, the Independent variable is and M.I. V. N/A 1. Females
2. 12-years of age
3. Same ball and basket
4. All are beginners		  
f. Driving Driving simulation test scores Treatment by interior arrangement 1 or by interior arrangement 2 The groupings having been determined by the experimenter, the Independent variable is and M.I. V. N/A 1.  same 20 minute tape
2.  same simulator		  
g. Self Esteem Self esteem scores Age categories

10, 14, & 18

   These age categories are brought to the situation by the subjects, therefore age categories are a status variable. 1. Numbers of males and females in each age category is the same.