A researcher wishes to test the hypothesis that arrest deters recidivism. She gathers a sample of people who have been arrested. What is the independent variable? What is the dependent variable? What is the unit of analysis?
Here, the independent variable is if the person is arrested or not , and dependent variable is recidivism and unit of analysis is binary(it takes 0 or 1 depends on the person is arrested or not).
A researcher wishes to test the hypothesis that arrest deters recidivism. She gathers a sample of...
a research wishes to test the hypothesis that the level of urbanization in a city or town affects residents social cohesion. She gathers a sample of municipal jurisdictions (cities and towns). What is the independent variable? What is the dependent variable? What is the unit of analysis?
a researcher wishes to test the relationship between age and criminal offending. she gathers a sample and for each person, she collects his or her age (in years) and whether that person has ever committed a crime (yes or no). can she use chi square test? why or why not?
A researcher wishes to test the hypothesis that prison architectural design affects the number of inmate-on-inmate assaults that take place inside a facility. He gathers a sample of prisons. What is the Unit of Analysis?
Bouffard and Piquero (2010) wanted to know whether arrested suspects' perceptions of the way police treated them during the encounter affected the likelihood that those suspects would commit more crimes in the future. Their sample consisted of males who had been arrested at least once during their lives. They measured suspects' perceptions of police behavior as fair or unfair. They measured recidivism as the number of times suspects came into contact with police after that initial arrest. A) Identify the...
A researcher wants to know whether husbands and wives have different daily caloric intake. She gathers a random sample of couples (80 husband and wife pairs). This is an independent samples study design. True or false?
Identify the independent and the dependent variable, as well as the unit of analysis, in the following hypothesis- Fewer people who are lower class own their own home than people who are upper class. IV: DV: Unit of analysis:
Identify the independent and the dependent variable, as well as the unit of analysis, in the following hypothesis- Fewer people who are lower class own their own home than people who are upper class. IV: DV: Unit of analysis:
A researcher claims that 45% of students drop out of college. She conducts a hypothesis test and rejects the null hypothesis. What type of error could have been committed here? A. Power of the test B. Type II C. There are never errors in hypothesis testing D. Type I
A researcher wants to test the hypothesis that defendants who plead guilty are sentenced more leniently than those who insist on going to trial the researcher measures the plea decision as a guilty plea or trial and the sentence as the number of months of incarceration to which defendants were sentenced. what is the independent variable?
A researcher wishes o estimate he prop (a) she uses a previous estimate of 0.42? (b) she does not use any prior estimates? orton of adults who have high speed Internet access. What sze sample should be obtained if she wishes the estimate to be within O 2 with 90% confidence (a)n(Round up to the nearest integer)
A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.01 with 90% confidence if (a) she uses a previous estimate of 0.34? (b) she does not use any prior estimates?