Exam 2: Thinking Critically With Psychological Science

Professor Woo noticed that the distribution of her students' scores on the last biology test had an extremely small standard deviation.This indicates that the

An observed difference between two sample groups is more likely to be statistically significant if

In a survey,psychologists select a random sample of research participants in order to ensure that

Which of the following correlations between self-esteem and body weight would enable you to most accurately predict body weight from knowledge of level of self-esteem?

To compare the pace of life in different countries,investigators measured the speed with which postal clerks completed a simple request.Which research method did this illustrate?

The case study is a research method in which

If those with low self-esteem are also particularly likely to suffer from depression,this would not necessarily indicate that low self-esteem triggers negative emotions because

The dependent variable in an experiment is the factor

A graphed cluster of dots,each of which represents the values of two factors,is called a

The average scores of two samples taken from the same population are most likely to differ if

An experiment enables researchers to isolate the effects of one specific factor by manipulating the factor of interest and also

To test the potential effect of hunger on taste sensitivity,groups of research participants are deprived of food for differing lengths of time before they engage in a taste-sensitivity test.This research is an example of

Which of the following processes typically takes place shortly after people complete their participation in a research study?

To provide a baseline against which they can evaluate the effects of a specific treatment,experimenters make use of a(n)

A descriptive technique for obtaining the self-reported attitudes or behaviors of a representative sample of a population is known as

In drug-treatment studies,double-blind procedures minimize outcome differences between experimental and control conditions that could be attributed to

We can MOST accurately estimate the mean of a population if

Experimentation is more useful than correlational research for testing the claim that

Random samples provide ________ estimates of population averages if the samples have small ________.

Research participants drank either caffeinated or decaffeinated beverages in a study of the effects of caffeine on anxiety levels.Those who received the caffeinated drinks were assigned to the ________ group.