PSYC 101 MODULE 1 EXAM Q&A - PORTAGE LEARNING

PSYC 101 MODULE 1 EXAM Module 1 Exam - Requires Respondus LockDown Browser + Webcam Results Score for this quiz: 24.5 out of 30 Submitted Feb 7 at 3:16am This attempt took 60 minutes. Compute the mean (M) of the following numbers: 9, 8, 10, 14, 16. Please show your work. Your Answer: The mean is the sum of the scores devied by the number of the scores to get the average score of the data set M=(9+8+10+14+16)/5=57/5=11.4 M= 11.4 11.4 If r= +0.85, is this an inverse or positive relationship? inverse positive Given a correlation coefficient of + 0.15, is this a strong or a weak relationship? strong weak Fill in the blanks with the correct word, phrase, or definition. If a researcher wants to see whether two variables relate together, she will likely use a/an [answer1] study design. Correct Answers correlational ok If r = 0.40, describe the direction and strength of the relationship between the two variables. Your Answer: r= +0.40 means if one varaible increase the other one will increase too becuase we have a positif number, 0.40 shows that there is average relationship between the 2 variables ( not strong, not weak) moderate, positive True or false? Presenting on or publishing research results is one of the steps of the scientific method. True False True or false? In some cases, there are research situations with human subjects in which random selection would be unethical. Correct Answer True False Answer the following questions. Short essay answers should be in clearly written in full sentences. What are the three areas or rules that IRBs focus on? Your Answer: IRB first is against of any harmful psycholigical research; also, respect the will of the participants and be honnest with them. and finaly respect the research rules. voluntary participation, benefits outweigh costs, participant selection is unbiased True or false? To have a true random sample, the researcher must be able to contact every person within the population of study. Correct Answer True False Short essay answers should be in clearly written in full sentences. Why should a researcher use random assignment to groups in a research experiment? Your Answer: The researcher use a random assignment to groups in research experiment to have a true result without any influence, therefore he can study a sample from the population. to minimize experimenter bias.