Exam 2: Methods in Psychology

If people in favour of the death penalty are given mixed evidence about its effectiveness at deterring crime,they generally become less supportive of it.

A kindergarten teacher has parents keep a log of the number of books read to their children per week.There are 20 children in the class.Most (18 of 20)of the parents reported reading 3-6 books per week.However,two parents each reported reading over 30 books per week to their children.If the teacher wants to describe these data,which measure of central tendency would paint a misleading picture of at-home reading?

Random assignment to groups helps ensure that:

Natural correlations are:

A scatterplot of a perfect positive correlation would depict a(n):

_____ is forming beliefs based on observations about the world,while _____ is forming beliefs based on assumptions.

Correlations detect:

Which technique is NOT used to reduce demand characteristics?

A scatterplot of a perfect negative correlation would depict a(n):

Cruella would not describe herself as the type of person who cares about animal rights,but she says that she does when filling out a survey for a psychologist.This illustrates that people can be highly _____ when studied.

Use the following to answer questions -(Scenario II)Shown in Figure 6.2 are the mean and standard deviation of each group's performance.Based only on this figure,what can be concluded?

Mike wants to know how many licks it takes to get to the centre of his lollipop.He tells his friends that "one full gyration of the tongue around the outer surface of the lollipop" is what constitutes a "lick." Unfortunately,he has not developed a reliable,mechanized way to measure licks.Mike's problem involves:

The MOST frequent measurement in a frequency distribution is the:

The variable that is manipulated in an experiment is the independent variable.

A bathroom scale is broken and always shows a weight of 150 pounds,no matter who steps on it.As a measure of weight,the broken scale lacks:

Juliana wonders if males or female university students spend more time on social media.After obtaining university approval,Juliana develops and administers a survey to a random sample of students in an attempt to answer this question.Juliana is taking a(n)_____ approach to the question.

Net worth is a variable that tends to be positively skewed in the population.

A synchronous pattern of variation between two variables,each of which has been measured several times,is referred to as:

The tendency for a measure to produce the same result whenever it is used to measure the same thing is known as:

One way to counteract a possible third-variable problem is to use: