Blog

Police investigators who were surveyed believed they detect lies _____, whereas their actual lie-detecting ability compared with that of students was _____. 

Elizabeth Loftus is well known for her research on false memories.  In one experiment, participants were presented with a false story (supposedly told by relatives) of being lost in a mall as a child.  Of the participants in the experiment, _____ “remembered” most or all of the implanted event.

All of the following traits can be defined as vulnerabilities for making a false confession, EXCEPT which trait?

Why is it important to know about linear regression?

Differentiate linear from nonlinear relationships.

During interrogations of a suspect, direct physical violence was _____ prior to 1930.

For the scatterplot above: Linear or Nonlinear If Linear, is it positive or negative? Estimate the magnitude of the relationship  (small, medium, large, perfect) Estimate the correlation coefficient In your own words, explain the result of the scatterplot

Students at Searcy High School were ranked according to their grade standings in mathematics and history. Their ranks are given below:   Student                         Math Rank               History Rank                                                   (X)                                    (Y)             1                                       4                                       7           2                                       6                                       4           3                                       5                                       6           4                                       10                                    8           5                                       8                                       3           6                                       7                                       5           7                                       3                                       9           8                                       9                                       2           9                                       1                                      10           10                                     2                                      1   Calculate the appropriate correlation coefficient. How would you describe the relationship? How confident would you feel about predicting a student’s History Rank given his/her Math rank?

What is an “outlier” and how should it be viewed?

Substantial research now shows that the interviewers in many of the preschool cases ____, and this made the interviewers question children more _____ to confirm their preexisting suspicions.