*Practice Questions: Simple Linear Regression
1. The smaller the r:
a) the better the prediction accuracy and the smaller the
errors of estimate.
b) the worse the prediction accuracy and the greater the
errors of estimate.
c) the better the pr
*PSY 612: Practice Questions for Basic Concepts I*
*/Select the appropriate scale of measurement for each variable.
/*1. _ Likert scale (strongly disagree=0, disagree=1, neutral=2,
agree=3, strongly agree=4)
2. _ Age
3. _ Number of students in 612 class
Homework Assignment #5 (10 points)
_Problem #1 - #4: Please use the data from the homework #4_
1. Please write down the regression model (equation) for predicting job
satisfaction from four predictors (Use alpha of .05).
2. (Hand-calculation and
*Homework Assignment #2 (10 points) *
1. Go to the website,
http:/lib.stat.cmu.edu/DASL/Datafiles/Brainsize.html and study the
example on the relationship between brain size and intelligence.
Predict full-scale IQ from brain size (MRI-count).
*Homework Assignment #1 (10 points) *
*_Stress Coping Strategy Test_*
The following are ways people react to various difficult, stressful, or
upsetting situations. Please circle a number from 1 (never) to 5
(always) for each item. Indicate how m
Homework Assignment #3 (10 points) *
1-6. A researcher would like to predict academic achievement
(achieve Y) from two types of self-concept: academic
self-concept (academic X1) and social self-concept (social
X2). Click here <self.txt> to g
Homework Assignments #6-7 (20 points): Due 12/3 by 5:00 pm
1. The number of years of job experiences is positively correlated with
the workers salary. A researcher is interested in determining whether
this relationship is moderated by the percen
Homework Assignment #8 (10 points)
Multiple Regression Research Review
The purpose of the research review is to examine and discuss the
application of multiple regression in psychological research. You select
one of the papers that I posted on
_Further Questions on Hypothesis Testing_
1. Descriptive Statistics vs. Inferential statistics
2. Sample vs. population
3. Parameter vs. statistic
4. Sampling distribution
5. A hypothesis test is a procedure for testing a claim about
6. Two types
*PSY 612: Practice Questions for Basic Concepts II*
1. Pearson r:
Riddle: What kind of cow gives evaporated milk?
Direction: To find the answer to the riddle, write T for true or F for
false on the line to the left of each statement. The letter at the end