Smart Alexs Answers
Chapter 13
Task 1
There is often concern among students as to the consistency of marking between
lecturers. It is common that lecturers obtain reputations for being hard or light
markers (or to use the students terminology, evil manife
Smart Alexs Answers
Chapter 8
Task 1
A psychologist was interested in whether childrens understanding of display
rules can be predicted from their age, and whether the child
possesses a theory of mind. A display rule is a convention
Why did you buy me thi
Smart Alexs Answers
Chapter 12
Task 1
Peoples musical taste tends to change as they get older (my parents, for example,
after years of listening to relatively cool music when I was a kid in the 1970s,
subsequently hit their mid-fourties and developed a wo
Smart Alexs Answers
Chapter 10
Task 1
Imagine that I was interested in how different teaching methods affected students
knowledge. I noticed that some lecturers were aloof and arrogant in their teaching
style and humiliated anyone who asked them a questio
Smart Alexs Answers
Chapter 6
Task 1
A student was interested in whether there was a positive relationship between the
time spent doing an essay and the mark received. He got 45 of his friends and
timed how ling they spent writing an essay (hours) and the
Smart Alexs Answers
Chapter 1
Task 1
What are (broadly speaking) the five stages of the research process?
Generating a research question: through an initial observation (hopefully backed
up by some data).
Generate a theory to explain your initial observ
Smart Alexs Answers
Chapter 19
Task 1
Using the cosmetic surgery example, run the analysis but also including BDI, age
and gender as fixed effect predictors. What differences does including these
predictors make?
Select _, and specify the contextual varia
Chapter 11: Answers to Questions and Problems
1.
E
1.5
a. Since E = EF = EM, P =
MC =
$75 = ( 3) $75 = $225 .
1+ E
1 1.5
2 ( 1.5)
EF
NEM
b. P =
$75 = (1.5) $75 = $112.50 .
MC =
$75 =
1 + EF
1 + NEM
1 + 2 ( 1.5)
EF
c. P =
1 + EF
Smart Alexs Answers
Chapter 7
Task 1
A fashion student was interested in factors that predicted the salaries of catwalk
models. She collected data from 231 models. For each model she asked them their
salary per day on days when they were working (salary),
Smart Alexs Answers
Chapter 15
Task 1
A psychologist was interested in the cross-species differences between men and
dogs. She observed a group of dogs and a group of men in a naturalistic setting
(20 of each). She classified several behaviours as being d
Smart Alexs Answers
Chapter 16
Task 1
A clinical psychologist noticed that several of his manic psychotic patients did
chicken impersonations in public. He wondered whether this behaviour could be
used to diagnose this disorder and so decided to compare h
Smart Alexs Answers
Chapter 2
Task 1: Why do we use samples?
We are usually interested in populations, but because we cannot collect data from every
human being (or whatever) in the population, we collect data from a small subset of the
population (known
Smart Alexs Answers
Chapter 3
Task 2
Your second task is to enter the data that I used to create Figure 3.10. These data
show the score (out of 20) for 20 different students some of whom are male and
some female, and some of whom were taught using positiv
Smart Alexs Answers
Chapter 4
Task 1
Using the data from Chapter 2 (which you should have saved, but if you didnt
re-enter it) plot and interpret the following graphs:
An error bar chart showing the mean number of friends for students and lecturers.
An er
Smart Alexs Answers
Chapter 5
Task 1
Using the ChickFlick.sav data, check the assumptions of normality and
homogeneity of variance for the two films (ignore gender): are the assumptions
met?
The output you should get look like those reproduced below (I us
Smart Alexs Answers
Chapter 9
Task 1
One of my pet hates is pop psychology books. Along with banishing Freud from
all bookshops, it is my vowed ambition to rid the world of these rancid
putrefaction-ridden wastes of trees. Not only do they give psychology
Smart Alexs Answers
Chapter 11
Task 1
Stalking is a very disruptive and upsetting (for the person being stalked)
experience in which someone (the stalker) constantly harasses or obsesses about
another person. It can take many forms, from sending intensely
Smart Alexs Answers
Chapter 14
Task 1
I am going to extend the example from the previous chapter (advertising and
different imagery) by adding a between-group variable into the design.1 To recap,
in case you havent read the previous chapter, participants
Chapter 3: Answers to Questions and Problems
1.
a. When P = $12, R = ($12)(1) = $12. When P = $10, R = ($10)(2) = $20. Thus, the
price decrease results in an $8 increase in total revenue, so demand is elastic over
this range of prices.
b. When P = $4, R =
Chapter 2: Answers to Questions and Problems
1.
a. Since X is a normal good, an increase in income will lead to an increase in the
demand for X (the demand curve for X will shift to the right).
b. Since Y is an inferior good, a decrease in income will lea
Smart Alexs Answers
Chapter 17
Task 1
The University of Sussex is constantly seeking to employ the best people possible
as lecturers (no, really, it is). Anyway, the university wanted to revise a
questionnaire based on Blands theory of research methods le
Smart Alexs Answers
Chapter 18
Task 1
Certain editors at Sage Publications like to think there a bit of a whiz at football
(soccer if you prefer). To see whether they are better than Sussex lecturers and
postgraduates we invited various employees of Sage
Chapter 4: Answers to Questions and Problems
1.
a. The market rate of substitution is
Px
10
=
= 0.25 .
Py
40
b. See Figure 4-1.
c. Increasing income to $800 (by $400) expands the budget set, as shown in Figure
4-1. Since the slope is unchanged, so is the
Chapter 6: Answers to Questions and Problems
1.
When an input has well-defined and measurable quality characteristics and requires
specialized investments, the optimal procurement method is a contract. A contract
reduces the likelihood of opportunistic be