Psych EXAM 1

When evaluating research claims, readers should consider which of the following questions?

all of the above

Justina is reading a research study about the effects of low-quality childcare on child development. What section of the study should she look in to see what the overall design of the study was?

Method

Priyanka wants to study the effects of child abuse on a child’s mental health. She decides to conduct multiple interviews with Tim, a 16-year-old who experienced severe physical abuse in his childhood home, in order to ask him questions about his mental health. What are some limitations of this research method?

Low generalizability to the population

The participants chosen for a study are the  ___________, and the are pulled from the greater ____________.

Sample; population

Which of the following correlation coefficients indicates the strongest relationship between two variables?

-.90

Before conducting an experiment, a researcher must provide ______________ to participants.

Informed consent

Jayden sees an article online that says that as ice cream sales increase, murder rates also increase. What conclusion should he draw from this information?

A confounding variable may be affecting both these variables

Martino is devising a study to examine the effect of social support on grief symptoms. He recruits a sample of 20 people who have recently lost a loved one and divides them into experimental and control groups. The experimental group spends 1 hour each week at a local grief group, where people can talk to others about their struggles and receive emotional support from them. The control group does not go to the grief group. After one month, Martino has them rate their grief symptoms to see if the experimental group has lower average grief symptoms than the control group. In this situation, what is the independent variable (IV), and what is the dependent variable (DV)?

The social support is the IV and the grief symptoms are the DV

Imane wants to investigate how childhood play may differ by gender. She goes to a local park and watches children playing on a playground. She notes how many boys vs. girls play on different playground structures, including the slide, the swings, the monkey bars, and the teeter totter. What research method is this?

Naturalistic observation

Longitudinal research is complicated by high rates of ___________.

Attrition

The central nervous system is comprised of: 

Brain and spinal cord

The forebrain contains how many lobes?

4 lobes

Zariyah is taking a medication that blocks the normal activity of a neurotransmitter at a receptor. What type of medication is Zariyah taking?

Antagonist

Epigenetics is the study of what?

how genes turn on an off depending on the environmental factors

Which lobe of the brain is responsible for processing sensory information?

parietal lobe!!!???

Which neurotransmitter is produced by the substantia nigra, and is involved in mood, movement, reward, and serotonin?

dopamine

Jade sees a poisonous snake slithering towards her in the grass. What type of system is likely to be activated first?

Sympathetic Nervous system

The ___________ receive(s) incoming signals from other neurons?

Dendrites

Both neurotransmitters and hormones are released into the bloodstream. 

False

Magnus has severe epilepsy, and as a result, doctors have decided to cut his corpus callosum. What will be affected by this action?

coordination between the two hemispheres of the brain