Why do correlation coefficients greater than 0.50 rarely occur in the social sciences?

The campus teaching and learning center is conducting a study to determine the relation between method of presentation (standard lecture versus computer presentation) and type of lecture (psychology, economics, statistics, or computer science) to lecture comprehension. How would we describe the design?

When the within-groups variance is much larger than the between-groups variance, we infer that the sample means are _____ one another, and we _____ the null hypothesis.

According to guidelines published by Cohen (1988), a correlation value of 0.34 would be considered:

According to conventions, an ω2 of 0.002 is considered to be a _____ effect size.

An important feature of the Mendota Juvenile Treatment Center is the use of Behavioral Treatment Programs to impose extended punitive segregation at increasing levels to generate desistance from aggression.

According to FBI statistics, which of the following is the most common age of the offender in sexual assaults against children who are under age 13?

It is not a violation of a suspect’s Constitutional rights for the police to present the suspect with fake “evidence” during an interrogation to obtain a confession.

People are less likely to falsely confess to a crime that is more serious, such as a homicide. 

Match the name of the unit to the decimal: (place the letter for the answer)   Micro                A. 0.001 Milli                   B. 0.1 Centi                 C. 0.000001 Deci                   D. 0.01 Kilo                    E. 100  Hecto                F. 1000